+ This is the version using unrolled loops. +
+
+ var fname = "logfile.log.bz2";
+ using (var fs = File.OpenRead(fname))
+ {
+ using (var decompressor = new Ionic.BZip2.BZip2InputStream(fs))
+ {
+ var outFname = fname + ".decompressed";
+ using (var output = File.Create(outFname))
+ {
+ byte[] buffer = new byte[2048];
+ int n;
+ while ((n = decompressor.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ output.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ var fname = "logfile.log";
+ using (var fs = File.OpenRead(fname))
+ {
+ var outFname = fname + ".bz2";
+ using (var output = File.Create(outFname))
+ {
+ using (var compressor = new Ionic.BZip2.BZip2OutputStream(output))
+ {
+ byte[] buffer = new byte[2048];
+ int n;
+ while ((n = fs.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ var fname = "logfile.log";
+ using (var fs = File.OpenRead(fname))
+ {
+ var outFname = fname + ".bz2";
+ using (var output = File.Create(outFname))
+ {
+ using (var compressor = new Ionic.BZip2.ParallelBZip2OutputStream(output))
+ {
+ byte[] buffer = new byte[2048];
+ int n;
+ while ((n = fs.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ string DirectoryPath = "c:\\Documents\\Project7";
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath));
+ zip.Comment = "This will be embedded into a self-extracting console-based exe";
+ zip.SaveSelfExtractor("archive.exe", SelfExtractorFlavor.ConsoleApplication);
+ }
+
+
+ Dim DirectoryPath As String = "c:\Documents\Project7"
+ Using zip As New ZipFile()
+ zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath))
+ zip.Comment = "This will be embedded into a self-extracting console-based exe"
+ zip.SaveSelfExtractor("archive.exe", SelfExtractorFlavor.ConsoleApplication)
+ End Using
+
+
+ string DirectoryPath = "c:\\Documents\\Project7";
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath));
+ zip.Comment = "This will be embedded into a self-extracting WinForms-based exe";
+ var options = new SelfExtractorOptions
+ {
+ Flavor = SelfExtractorFlavor.WinFormsApplication,
+ DefaultExtractDirectory = "%USERPROFILE%\\ExtractHere",
+ PostExtractCommandLine = ExeToRunAfterExtract,
+ SfxExeWindowTitle = "My Custom Window Title",
+ RemoveUnpackedFilesAfterExecute = true
+ };
+ zip.SaveSelfExtractor("archive.exe", options);
+ }
+
+
+ Dim DirectoryPath As String = "c:\Documents\Project7"
+ Using zip As New ZipFile()
+ zip.AddDirectory(DirectoryPath, System.IO.Path.GetFileName(DirectoryPath))
+ zip.Comment = "This will be embedded into a self-extracting console-based exe"
+ Dim options As New SelfExtractorOptions()
+ options.Flavor = SelfExtractorFlavor.WinFormsApplication
+ options.DefaultExtractDirectory = "%USERPROFILE%\\ExtractHere"
+ options.PostExtractCommandLine = ExeToRunAfterExtract
+ options.SfxExeWindowTitle = "My Custom Window Title"
+ options.RemoveUnpackedFilesAfterExecute = True
+ zip.SaveSelfExtractor("archive.exe", options)
+ End Using
+
+
+ String[] itemnames= {
+ "c:\\fixedContent\\Readme.txt",
+ "MyProposal.docx",
+ "c:\\SupportFiles", // a directory
+ "images\\Image1.jpg"
+ };
+
+ try
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ for (int i = 1; i < itemnames.Length; i++)
+ {
+ // will add Files or Dirs, recurses and flattens subdirectories
+ zip.AddItem(itemnames[i],"flat");
+ }
+ zip.Save(ZipToCreate);
+ }
+ }
+ catch (System.Exception ex1)
+ {
+ System.Console.Error.WriteLine("exception: {0}", ex1);
+ }
+
+
+
+ Dim itemnames As String() = _
+ New String() { "c:\fixedContent\Readme.txt", _
+ "MyProposal.docx", _
+ "SupportFiles", _
+ "images\Image1.jpg" }
+ Try
+ Using zip As New ZipFile
+ Dim i As Integer
+ For i = 1 To itemnames.Length - 1
+ ' will add Files or Dirs, recursing and flattening subdirectories.
+ zip.AddItem(itemnames(i), "flat")
+ Next i
+ zip.Save(ZipToCreate)
+ End Using
+ Catch ex1 As Exception
+ Console.Error.WriteLine("exception: {0}", ex1.ToString())
+ End Try
+
+
+ try
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("c:\\photos\\personal\\7440-N49th.png");
+ zip.AddFile("c:\\Desktop\\2008-Regional-Sales-Report.pdf");
+ zip.AddFile("ReadMe.txt");
+
+ zip.Save("Package.zip");
+ }
+ }
+ catch (System.Exception ex1)
+ {
+ System.Console.Error.WriteLine("exception: " + ex1);
+ }
+
+
+
+ Try
+ Using zip As ZipFile = New ZipFile
+ zip.AddFile("c:\photos\personal\7440-N49th.png")
+ zip.AddFile("c:\Desktop\2008-Regional-Sales-Report.pdf")
+ zip.AddFile("ReadMe.txt")
+ zip.Save("Package.zip")
+ End Using
+ Catch ex1 As Exception
+ Console.Error.WriteLine("exception: {0}", ex1.ToString)
+ End Try
+
+
+ try
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ // the following entry will be inserted at the root in the archive.
+ zip.AddFile("c:\\datafiles\\ReadMe.txt", "");
+ // this image file will be inserted into the "images" directory in the archive.
+ zip.AddFile("c:\\photos\\personal\\7440-N49th.png", "images");
+ // the following will result in a password-protected file called
+ // files\\docs\\2008-Regional-Sales-Report.pdf in the archive.
+ zip.Password = "EncryptMe!";
+ zip.AddFile("c:\\Desktop\\2008-Regional-Sales-Report.pdf", "files\\docs");
+ zip.Save("Archive.zip");
+ }
+ }
+ catch (System.Exception ex1)
+ {
+ System.Console.Error.WriteLine("exception: {0}", ex1);
+ }
+
+
+
+ Try
+ Using zip As ZipFile = New ZipFile
+ ' the following entry will be inserted at the root in the archive.
+ zip.AddFile("c:\datafiles\ReadMe.txt", "")
+ ' this image file will be inserted into the "images" directory in the archive.
+ zip.AddFile("c:\photos\personal\7440-N49th.png", "images")
+ ' the following will result in a password-protected file called
+ ' files\\docs\\2008-Regional-Sales-Report.pdf in the archive.
+ zip.Password = "EncryptMe!"
+ zip.AddFile("c:\Desktop\2008-Regional-Sales-Report.pdf", "files\documents")
+ zip.Save("Archive.zip")
+ End Using
+ Catch ex1 As Exception
+ Console.Error.WriteLine("exception: {0}", ex1)
+ End Try
+
+
+ String ZipFileToCreate = "archive1.zip";
+ String DirectoryToZip = "c:\\reports";
+ using (ZipFile zip = new ZipFile())
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames);
+ zip.Save(ZipFileToCreate);
+ }
+
+
+
+ Dim ZipFileToCreate As String = "archive1.zip"
+ Dim DirectoryToZip As String = "c:\reports"
+ Using zip As ZipFile = New ZipFile
+ ' Store all files found in the top level directory, into the zip archive.
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames)
+ zip.Save(ZipFileToCreate)
+ End Using
+
+
+ using (ZipFile zip1 = new ZipFile())
+ {
+ // UpdateFile might more accurately be called "AddOrUpdateFile"
+ zip1.UpdateFile("MyDocuments\\Readme.txt");
+ zip1.UpdateFile("CustomerList.csv");
+ zip1.Comment = "This zip archive has been created.";
+ zip1.Save("Content.zip");
+ }
+
+ using (ZipFile zip2 = ZipFile.Read("Content.zip"))
+ {
+ zip2.UpdateFile("Updates\\Readme.txt");
+ zip2.Comment = "This zip archive has been updated: The Readme.txt file has been changed.";
+ zip2.Save();
+ }
+
+
+
+ Using zip1 As New ZipFile
+ ' UpdateFile might more accurately be called "AddOrUpdateFile"
+ zip1.UpdateFile("MyDocuments\Readme.txt")
+ zip1.UpdateFile("CustomerList.csv")
+ zip1.Comment = "This zip archive has been created."
+ zip1.Save("Content.zip")
+ End Using
+
+ Using zip2 As ZipFile = ZipFile.Read("Content.zip")
+ zip2.UpdateFile("Updates\Readme.txt")
+ zip2.Comment = "This zip archive has been updated: The Readme.txt file has been changed."
+ zip2.Save
+ End Using
+
+
+ string Content = "This string will be the content of the Readme.txt file in the zip archive.";
+ using (ZipFile zip1 = new ZipFile())
+ {
+ zip1.AddFile("MyDocuments\\Resume.doc", "files");
+ zip1.AddEntry("Readme.txt", Content);
+ zip1.Comment = "This zip file was created at " + System.DateTime.Now.ToString("G");
+ zip1.Save("Content.zip");
+ }
+
+
+
+ Public Sub Run()
+ Dim Content As String = "This string will be the content of the Readme.txt file in the zip archive."
+ Using zip1 As ZipFile = New ZipFile
+ zip1.AddEntry("Readme.txt", Content)
+ zip1.AddFile("MyDocuments\Resume.doc", "files")
+ zip1.Comment = ("This zip file was created at " & DateTime.Now.ToString("G"))
+ zip1.Save("Content.zip")
+ End Using
+ End Sub
+
+
+ String zipToCreate = "Content.zip";
+ String fileNameInArchive = "Content-From-Stream.bin";
+ using (System.IO.Stream streamToRead = MyStreamOpener())
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ ZipEntry entry= zip.AddEntry(fileNameInArchive, streamToRead);
+ zip.AddFile("Readme.txt");
+ zip.Save(zipToCreate); // the stream is read implicitly here
+ }
+ }
+
+
+
+ Dim zipToCreate As String = "Content.zip"
+ Dim fileNameInArchive As String = "Content-From-Stream.bin"
+ Using streamToRead as System.IO.Stream = MyStreamOpener()
+ Using zip As ZipFile = New ZipFile()
+ Dim entry as ZipEntry = zip.AddEntry(fileNameInArchive, streamToRead)
+ zip.AddFile("Readme.txt")
+ zip.Save(zipToCreate) '' the stream is read implicitly, here
+ End Using
+ End Using
+
+
+ var c1= new System.Data.SqlClient.SqlConnection(connstring1);
+ var da = new System.Data.SqlClient.SqlDataAdapter()
+ {
+ SelectCommand= new System.Data.SqlClient.SqlCommand(strSelect, c1)
+ };
+
+ DataSet ds1 = new DataSet();
+ da.Fill(ds1, "Invoices");
+
+ using(Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile())
+ {
+ zip.AddEntry(zipEntryName, (name,stream) => ds1.WriteXml(stream) );
+ zip.Save(zipFileName);
+ }
+
+
+ using (var input = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite ))
+ {
+ using(Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile())
+ {
+ zip.AddEntry(zipEntryName, (name,output) =>
+ {
+ byte[] buffer = new byte[BufferSize];
+ int n;
+ while ((n = input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ // could transform the data here...
+ output.Write(buffer, 0, n);
+ // could update a progress bar here
+ }
+ });
+
+ zip.Save(zipFileName);
+ }
+ }
+
+
+ Private Sub WriteEntry (ByVal name As String, ByVal output As Stream)
+ Using input As FileStream = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
+ Dim n As Integer = -1
+ Dim buffer As Byte() = New Byte(BufferSize){}
+ Do While n <> 0
+ n = input.Read(buffer, 0, buffer.Length)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ End Sub
+
+ Public Sub Run()
+ Using zip = New ZipFile
+ zip.AddEntry(zipEntryName, New WriteDelegate(AddressOf WriteEntry))
+ zip.Save(zipFileName)
+ End Using
+ End Sub
+
+
+ using(Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile())
+ {
+ zip.AddEntry(zipEntryName,
+ (name) => File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite ),
+ (name, stream) => stream.Close()
+ );
+
+ zip.Save(zipFileName);
+ }
+
+
+
+
+ Function MyStreamOpener(ByVal entryName As String) As Stream
+ '' This simply opens a file. You probably want to do somethinig
+ '' more involved here: open a stream to read from a database,
+ '' open a stream on an HTTP connection, and so on.
+ Return File.OpenRead(entryName)
+ End Function
+
+ Sub MyStreamCloser(entryName As String, stream As Stream)
+ stream.Close()
+ End Sub
+
+ Public Sub Run()
+ Dim dirToZip As String = "fodder"
+ Dim zipFileToCreate As String = "Archive.zip"
+ Dim opener As OpenDelegate = AddressOf MyStreamOpener
+ Dim closer As CloseDelegate = AddressOf MyStreamCloser
+ Dim numFilestoAdd As Int32 = 4
+ Using zip As ZipFile = New ZipFile
+ Dim i As Integer
+ For i = 0 To numFilesToAdd - 1
+ zip.AddEntry(String.Format("content-{0:000}.txt"), opener, closer)
+ Next i
+ zip.Save(zipFileToCreate)
+ End Using
+ End Sub
+
+
+
+ public void ZipUp(string targetZip, string directory)
+ {
+ using (var zip = new ZipFile())
+ {
+ zip.AddDirectory(directory, System.IO.Path.GetFileName(directory));
+ zip.Save(targetZip);
+ }
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.FullScan = true;
+ zip.Initialize(zipFileName);
+ zip.Save(newName);
+ }
+
+
+
+ Using zip As New ZipFile
+ zip.FullScan = True
+ zip.Initialize(zipFileName)
+ zip.Save(newName)
+ End Using
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.AddFiles(filesToAdd);
+ zip.SortEntriesBeforeSaving = true;
+ zip.Save(name);
+ }
+
+
+
+ Using zip As New ZipFile
+ zip.AddFiles(filesToAdd)
+ zip.SortEntriesBeforeSaving = True
+ zip.Save(name)
+ End Using
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.AddDirectoryWillTraverseReparsePoints = false;
+ zip.AddDirectory(dirToZip,"fodder");
+ zip.Save(zipFileToCreate);
+ }
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.SaveProgress += this.zip1_SaveProgress;
+ zip.AddDirectory(directoryToZip, "");
+ zip.UseZip64WhenSaving = Zip64Option.Always;
+ zip.BufferSize = 65536*8; // 65536 * 8 = 512k
+ zip.Save(ZipFileToCreate);
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ // produce a zip file the Mac will like
+ zip.EmitTimesInWindowsFormatWhenSaving = false;
+ zip.EmitTimesInUnixFormatWhenSaving = true;
+ zip.AddDirectory(directoryToZip, "files");
+ zip.Save(outputFile);
+ }
+
+
+
+ Using zip As New ZipFile
+ '' produce a zip file the Mac will like
+ zip.EmitTimesInWindowsFormatWhenSaving = False
+ zip.EmitTimesInUnixFormatWhenSaving = True
+ zip.AddDirectory(directoryToZip, "files")
+ zip.Save(outputFile)
+ End Using
+
+
+ using (var zip = ZipFile.Read(zipFileName, System.Text.Encoding.GetEncoding("big5")))
+ {
+ // retrieve and extract an entry using a name encoded with CP950
+ zip[MyDesiredEntry].Extract("unpack");
+ }
+
+
+
+ Using zip As ZipFile = ZipFile.Read(ZipToExtract, System.Text.Encoding.GetEncoding("big5"))
+ ' retrieve and extract an entry using a name encoded with CP950
+ zip(MyDesiredEntry).Extract("unpack")
+ End Using
+
+
+ using (ZipFile zip= ZipFile.Read(FilePath))
+ {
+ zip.StatusMessageTextWriter= System.Console.Out;
+ // messages are sent to the console during extraction
+ zip.ExtractAll();
+ }
+
+
+
+ Using zip As ZipFile = ZipFile.Read(FilePath)
+ zip.StatusMessageTextWriter= System.Console.Out
+ 'Status Messages will be sent to the console during extraction
+ zip.ExtractAll()
+ End Using
+
+
+
+ var sw = new System.IO.StringWriter();
+ using (ZipFile zip= ZipFile.Read(FilePath))
+ {
+ zip.StatusMessageTextWriter= sw;
+ zip.ExtractAll();
+ }
+ Console.WriteLine("{0}", sw.ToString());
+
+
+
+ Dim sw as New System.IO.StringWriter
+ Using zip As ZipFile = ZipFile.Read(FilePath)
+ zip.StatusMessageTextWriter= sw
+ zip.ExtractAll()
+ End Using
+ 'Status Messages are now available in sw
+
+
+
+ // create a file with encryption
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("ReadMe.txt");
+ zip.Password= "!Secret1";
+ zip.AddFile("MapToTheSite-7440-N49th.png");
+ zip.AddFile("2008-Regional-Sales-Report.pdf");
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // extract entries that use encryption
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ zip.Password= "!Secret1";
+ zip.ExtractAll("extractDir");
+ }
+
+
+
+
+ Using zip As New ZipFile
+ zip.AddFile("ReadMe.txt")
+ zip.Password = "123456!"
+ zip.AddFile("MapToTheSite-7440-N49th.png")
+ zip.Password= "!Secret1";
+ zip.AddFile("2008-Regional-Sales-Report.pdf")
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+
+ ' extract entries that use encryption
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ zip.Password= "!Secret1"
+ zip.ExtractAll("extractDir")
+ End Using
+
+
+
+
+ Public Sub SaveZipFile()
+ Dim SourceFolder As String = "fodder"
+ Dim DestFile As String = "eHandler.zip"
+ Dim sw as New StringWriter
+ Using zipArchive As ZipFile = New ZipFile
+ ' Tell DotNetZip to skip any files for which it encounters an error
+ zipArchive.ZipErrorAction = ZipErrorAction.Skip
+ zipArchive.StatusMessageTextWriter = sw
+ zipArchive.AddDirectory(SourceFolder)
+ zipArchive.Save(DestFile)
+ End Using
+ ' examine sw here to see any messages
+ End Sub
+
+
+
+ // Create a zip archive with AES Encryption.
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("ReadMe.txt");
+ zip.Encryption= EncryptionAlgorithm.WinZipAes256;
+ zip.Password= "Top.Secret.No.Peeking!";
+ zip.AddFile("7440-N49th.png");
+ zip.AddFile("2008-Regional-Sales-Report.pdf");
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // Extract a zip archive that uses AES Encryption.
+ // You do not need to specify the algorithm during extraction.
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ zip.Password= "Top.Secret.No.Peeking!";
+ zip.ExtractAll("extractDirectory");
+ }
+
+
+
+ ' Create a zip that uses Encryption.
+ Using zip As New ZipFile()
+ zip.Encryption= EncryptionAlgorithm.WinZipAes256
+ zip.Password= "Top.Secret.No.Peeking!"
+ zip.AddFile("ReadMe.txt")
+ zip.AddFile("7440-N49th.png")
+ zip.AddFile("2008-Regional-Sales-Report.pdf")
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+ ' Extract a zip archive that uses AES Encryption.
+ ' You do not need to specify the algorithm during extraction.
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ zip.Password= "Top.Secret.No.Peeking!"
+ zip.ExtractAll("extractDirectory")
+ End Using
+
+
+
+ String ZipFileToCreate = "archive1.zip";
+ String DirectoryToZip = "c:\\reports";
+ using (ZipFile zip = new ZipFile())
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames, "files");
+ zip.Save(ZipFileToCreate);
+ }
+
+
+
+ Dim ZipFileToCreate As String = "archive1.zip"
+ Dim DirectoryToZip As String = "c:\reports"
+ Using zip As ZipFile = New ZipFile()
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames, "files")
+ zip.Save(ZipFileToCreate)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ // note: this code does not recurse subdirectories!
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames, "files");
+ zip.Save("Backup.zip");
+ }
+
+
+
+ Using zip As New ZipFile
+ ' Store all files found in the top level directory, into the zip archive.
+ ' note: this code does not recurse subdirectories!
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames, "files")
+ zip.Save("Backup.zip")
+ End Using
+
+
+ using (ZipFile zip = new ZipFile("Backup.zip", Console.Out))
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ // note: this code does not recurse subdirectories!
+ // Status messages will be written to Console.Out
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames);
+ zip.Save();
+ }
+
+
+
+ Using zip As New ZipFile("Backup.zip", Console.Out)
+ ' Store all files found in the top level directory, into the zip archive.
+ ' note: this code does not recurse subdirectories!
+ ' Status messages will be written to Console.Out
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames)
+ zip.Save()
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read("PackedDocuments.zip"))
+ {
+ foreach (string s1 in zip.EntryFilenames)
+ {
+ if (s1.EndsWith(".txt"))
+ zip[s1].Extract("textfiles");
+ }
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read("PackedDocuments.zip")
+ Dim s1 As String
+ For Each s1 In zip.EntryFilenames
+ If s1.EndsWith(".txt") Then
+ zip(s1).Extract("textfiles")
+ End If
+ Next
+ End Using
+
+
+ String zipFileToRead= "PackedDocuments.zip";
+ string candidate = "DatedMaterial.xps";
+ using (ZipFile zip = new ZipFile(zipFileToRead))
+ {
+ if (zip.EntryFilenames.Contains(candidate))
+ Console.WriteLine("The file '{0}' exists in the zip archive '{1}'",
+ candidate,
+ zipFileName);
+ else
+ Console.WriteLine("The file, '{0}', does not exist in the zip archive '{1}'",
+ candidate,
+ zipFileName);
+ Console.WriteLine();
+ }
+
+
+ Dim zipFileToRead As String = "PackedDocuments.zip"
+ Dim candidate As String = "DatedMaterial.xps"
+ Using zip As ZipFile.Read(ZipFileToRead)
+ If zip.EntryFilenames.Contains(candidate) Then
+ Console.WriteLine("The file '{0}' exists in the zip archive '{1}'", _
+ candidate, _
+ zipFileName)
+ Else
+ Console.WriteLine("The file, '{0}', does not exist in the zip archive '{1}'", _
+ candidate, _
+ zipFileName)
+ End If
+ Console.WriteLine
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read(zipFile))
+ {
+ foreach (ZipEntry entry in zip.EntriesSorted)
+ {
+ ListViewItem item = new ListViewItem(n.ToString());
+ n++;
+ string[] subitems = new string[] {
+ entry.FileName.Replace("/","\\"),
+ entry.LastModified.ToString("yyyy-MM-dd HH:mm:ss"),
+ entry.UncompressedSize.ToString(),
+ String.Format("{0,5:F0}%", entry.CompressionRatio),
+ entry.CompressedSize.ToString(),
+ (entry.UsesEncryption) ? "Y" : "N",
+ String.Format("{0:X8}", entry.Crc)};
+
+ foreach (String s in subitems)
+ {
+ ListViewItem.ListViewSubItem subitem = new ListViewItem.ListViewSubItem();
+ subitem.Text = s;
+ item.SubItems.Add(subitem);
+ }
+
+ this.listView1.Items.Add(item);
+ }
+ }
+
+
+ String ZipFileToRead = "ArchiveToModify.zip";
+ System.DateTime Threshold = new System.DateTime(2007,12,31);
+ using (ZipFile zip = ZipFile.Read(ZipFileToRead))
+ {
+ var EntriesToRemove = new System.Collections.Generic.List<ZipEntry>();
+ foreach (ZipEntry e in zip)
+ {
+ if (e.LastModified < Threshold)
+ {
+ // We cannot remove the entry from the list, within the context of
+ // an enumeration of said list.
+ // So we add the doomed entry to a list to be removed later.
+ EntriesToRemove.Add(e);
+ }
+ }
+
+ // actually remove the doomed entries.
+ foreach (ZipEntry zombie in EntriesToRemove)
+ zip.RemoveEntry(zombie);
+
+ zip.Comment= String.Format("This zip archive was updated at {0}.",
+ System.DateTime.Now.ToString("G"));
+
+ // save with a different name
+ zip.Save("Archive-Updated.zip");
+ }
+
+
+
+ Dim ZipFileToRead As String = "ArchiveToModify.zip"
+ Dim Threshold As New DateTime(2007, 12, 31)
+ Using zip As ZipFile = ZipFile.Read(ZipFileToRead)
+ Dim EntriesToRemove As New System.Collections.Generic.List(Of ZipEntry)
+ Dim e As ZipEntry
+ For Each e In zip
+ If (e.LastModified < Threshold) Then
+ ' We cannot remove the entry from the list, within the context of
+ ' an enumeration of said list.
+ ' So we add the doomed entry to a list to be removed later.
+ EntriesToRemove.Add(e)
+ End If
+ Next
+
+ ' actually remove the doomed entries.
+ Dim zombie As ZipEntry
+ For Each zombie In EntriesToRemove
+ zip.RemoveEntry(zombie)
+ Next
+ zip.Comment = String.Format("This zip archive was updated at {0}.", DateTime.Now.ToString("G"))
+ 'save as a different name
+ zip.Save("Archive-Updated.zip")
+ End Using
+
+
+ String zipFileToRead= "PackedDocuments.zip";
+ string candidate = "DatedMaterial.xps";
+ using (ZipFile zip = ZipFile.Read(zipFileToRead))
+ {
+ if (zip.EntryFilenames.Contains(candidate))
+ {
+ zip.RemoveEntry(candidate);
+ zip.Comment= String.Format("The file '{0}' has been removed from this archive.",
+ Candidate);
+ zip.Save();
+ }
+ }
+
+
+ Dim zipFileToRead As String = "PackedDocuments.zip"
+ Dim candidate As String = "DatedMaterial.xps"
+ Using zip As ZipFile = ZipFile.Read(zipFileToRead)
+ If zip.EntryFilenames.Contains(candidate) Then
+ zip.RemoveEntry(candidate)
+ zip.Comment = String.Format("The file '{0}' has been removed from this archive.", Candidate)
+ zip.Save
+ End If
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read(zipfile))
+ {
+ foreach (ZipEntry e in zip)
+ {
+ if (WantThisEntry(e.FileName))
+ zip.Extract(e.FileName, Console.OpenStandardOutput());
+ }
+ } // Dispose() is called implicitly here.
+
+
+
+ Using zip As ZipFile = ZipFile.Read(zipfile)
+ Dim e As ZipEntry
+ For Each e In zip
+ If WantThisEntry(e.FileName) Then
+ zip.Extract(e.FileName, Console.OpenStandardOutput())
+ End If
+ Next
+ End Using ' Dispose is implicity called here
+
+
+ progressBar1.Value = 0;
+ progressBar1.Max = listbox1.Items.Count;
+ using (ZipFile zip = new ZipFile())
+ {
+ // listbox1 contains a list of filenames
+ zip.AddFiles(listbox1.Items);
+
+ // do the progress bar:
+ zip.SaveProgress += (sender, e) => {
+ if (e.EventType == ZipProgressEventType.Saving_BeforeWriteEntry) {
+ progressBar1.PerformStep();
+ }
+ };
+
+ zip.Save(fs);
+ }
+
+
+ static bool justHadByteUpdate= false;
+ public static void SaveProgress(object sender, SaveProgressEventArgs e)
+ {
+ if (e.EventType == ZipProgressEventType.Saving_Started)
+ Console.WriteLine("Saving: {0}", e.ArchiveName);
+
+ else if (e.EventType == ZipProgressEventType.Saving_Completed)
+ {
+ justHadByteUpdate= false;
+ Console.WriteLine();
+ Console.WriteLine("Done: {0}", e.ArchiveName);
+ }
+
+ else if (e.EventType == ZipProgressEventType.Saving_BeforeWriteEntry)
+ {
+ if (justHadByteUpdate)
+ Console.WriteLine();
+ Console.WriteLine(" Writing: {0} ({1}/{2})",
+ e.CurrentEntry.FileName, e.EntriesSaved, e.EntriesTotal);
+ justHadByteUpdate= false;
+ }
+
+ else if (e.EventType == ZipProgressEventType.Saving_EntryBytesRead)
+ {
+ if (justHadByteUpdate)
+ Console.SetCursorPosition(0, Console.CursorTop);
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, e.TotalBytesToTransfer,
+ e.BytesTransferred / (0.01 * e.TotalBytesToTransfer ));
+ justHadByteUpdate= true;
+ }
+ }
+
+ public static ZipUp(string targetZip, string directory)
+ {
+ using (var zip = new ZipFile()) {
+ zip.SaveProgress += SaveProgress;
+ zip.AddDirectory(directory);
+ zip.Save(targetZip);
+ }
+ }
+
+
+
+
+ Public Sub ZipUp(ByVal targetZip As String, ByVal directory As String)
+ Using zip As ZipFile = New ZipFile
+ AddHandler zip.SaveProgress, AddressOf MySaveProgress
+ zip.AddDirectory(directory)
+ zip.Save(targetZip)
+ End Using
+ End Sub
+
+ Private Shared justHadByteUpdate As Boolean = False
+
+ Public Shared Sub MySaveProgress(ByVal sender As Object, ByVal e As SaveProgressEventArgs)
+ If (e.EventType Is ZipProgressEventType.Saving_Started) Then
+ Console.WriteLine("Saving: {0}", e.ArchiveName)
+
+ ElseIf (e.EventType Is ZipProgressEventType.Saving_Completed) Then
+ justHadByteUpdate = False
+ Console.WriteLine
+ Console.WriteLine("Done: {0}", e.ArchiveName)
+
+ ElseIf (e.EventType Is ZipProgressEventType.Saving_BeforeWriteEntry) Then
+ If justHadByteUpdate Then
+ Console.WriteLine
+ End If
+ Console.WriteLine(" Writing: {0} ({1}/{2})", e.CurrentEntry.FileName, e.EntriesSaved, e.EntriesTotal)
+ justHadByteUpdate = False
+
+ ElseIf (e.EventType Is ZipProgressEventType.Saving_EntryBytesRead) Then
+ If justHadByteUpdate Then
+ Console.SetCursorPosition(0, Console.CursorTop)
+ End If
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, _
+ e.TotalBytesToTransfer, _
+ (CDbl(e.BytesTransferred) / (0.01 * e.TotalBytesToTransfer)))
+ justHadByteUpdate = True
+ End If
+ End Sub
+
+
+ delegate void SaveEntryProgress(SaveProgressEventArgs e);
+ delegate void ButtonClick(object sender, EventArgs e);
+
+ public class WorkerOptions
+ {
+ public string ZipName;
+ public string Folder;
+ public string Encoding;
+ public string Comment;
+ public int ZipFlavor;
+ public Zip64Option Zip64;
+ }
+
+ private int _progress2MaxFactor;
+ private bool _saveCanceled;
+ private long _totalBytesBeforeCompress;
+ private long _totalBytesAfterCompress;
+ private Thread _workerThread;
+
+
+ private void btnZipup_Click(object sender, EventArgs e)
+ {
+ KickoffZipup();
+ }
+
+ private void btnCancel_Click(object sender, EventArgs e)
+ {
+ if (this.lblStatus.InvokeRequired)
+ {
+ this.lblStatus.Invoke(new ButtonClick(this.btnCancel_Click), new object[] { sender, e });
+ }
+ else
+ {
+ _saveCanceled = true;
+ lblStatus.Text = "Canceled...";
+ ResetState();
+ }
+ }
+
+ private void KickoffZipup()
+ {
+ _folderName = tbDirName.Text;
+
+ if (_folderName == null || _folderName == "") return;
+ if (this.tbZipName.Text == null || this.tbZipName.Text == "") return;
+
+ // check for existence of the zip file:
+ if (System.IO.File.Exists(this.tbZipName.Text))
+ {
+ var dlgResult = MessageBox.Show(String.Format("The file you have specified ({0}) already exists." +
+ " Do you want to overwrite this file?", this.tbZipName.Text),
+ "Confirmation is Required", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+ if (dlgResult != DialogResult.Yes) return;
+ System.IO.File.Delete(this.tbZipName.Text);
+ }
+
+ _saveCanceled = false;
+ _nFilesCompleted = 0;
+ _totalBytesAfterCompress = 0;
+ _totalBytesBeforeCompress = 0;
+ this.btnOk.Enabled = false;
+ this.btnOk.Text = "Zipping...";
+ this.btnCancel.Enabled = true;
+ lblStatus.Text = "Zipping...";
+
+ var options = new WorkerOptions
+ {
+ ZipName = this.tbZipName.Text,
+ Folder = _folderName,
+ Encoding = "ibm437"
+ };
+
+ if (this.comboBox1.SelectedIndex != 0)
+ {
+ options.Encoding = this.comboBox1.SelectedItem.ToString();
+ }
+
+ if (this.radioFlavorSfxCmd.Checked)
+ options.ZipFlavor = 2;
+ else if (this.radioFlavorSfxGui.Checked)
+ options.ZipFlavor = 1;
+ else options.ZipFlavor = 0;
+
+ if (this.radioZip64AsNecessary.Checked)
+ options.Zip64 = Zip64Option.AsNecessary;
+ else if (this.radioZip64Always.Checked)
+ options.Zip64 = Zip64Option.Always;
+ else options.Zip64 = Zip64Option.Never;
+
+ options.Comment = String.Format("Encoding:{0} || Flavor:{1} || ZIP64:{2}\r\nCreated at {3} || {4}\r\n",
+ options.Encoding,
+ FlavorToString(options.ZipFlavor),
+ options.Zip64.ToString(),
+ System.DateTime.Now.ToString("yyyy-MMM-dd HH:mm:ss"),
+ this.Text);
+
+ if (this.tbComment.Text != TB_COMMENT_NOTE)
+ options.Comment += this.tbComment.Text;
+
+ _workerThread = new Thread(this.DoSave);
+ _workerThread.Name = "Zip Saver thread";
+ _workerThread.Start(options);
+ this.Cursor = Cursors.WaitCursor;
+ }
+
+
+ private void DoSave(Object p)
+ {
+ WorkerOptions options = p as WorkerOptions;
+ try
+ {
+ using (var zip1 = new ZipFile())
+ {
+ zip1.ProvisionalAlternateEncoding = System.Text.Encoding.GetEncoding(options.Encoding);
+ zip1.Comment = options.Comment;
+ zip1.AddDirectory(options.Folder);
+ _entriesToZip = zip1.EntryFileNames.Count;
+ SetProgressBars();
+ zip1.SaveProgress += this.zip1_SaveProgress;
+
+ zip1.UseZip64WhenSaving = options.Zip64;
+
+ if (options.ZipFlavor == 1)
+ zip1.SaveSelfExtractor(options.ZipName, SelfExtractorFlavor.WinFormsApplication);
+ else if (options.ZipFlavor == 2)
+ zip1.SaveSelfExtractor(options.ZipName, SelfExtractorFlavor.ConsoleApplication);
+ else
+ zip1.Save(options.ZipName);
+ }
+ }
+ catch (System.Exception exc1)
+ {
+ MessageBox.Show(String.Format("Exception while zipping: {0}", exc1.Message));
+ btnCancel_Click(null, null);
+ }
+ }
+
+
+
+ void zip1_SaveProgress(object sender, SaveProgressEventArgs e)
+ {
+ switch (e.EventType)
+ {
+ case ZipProgressEventType.Saving_AfterWriteEntry:
+ StepArchiveProgress(e);
+ break;
+ case ZipProgressEventType.Saving_EntryBytesRead:
+ StepEntryProgress(e);
+ break;
+ case ZipProgressEventType.Saving_Completed:
+ SaveCompleted();
+ break;
+ case ZipProgressEventType.Saving_AfterSaveTempArchive:
+ // this event only occurs when saving an SFX file
+ TempArchiveSaved();
+ break;
+ }
+ if (_saveCanceled)
+ e.Cancel = true;
+ }
+
+
+
+ private void StepArchiveProgress(SaveProgressEventArgs e)
+ {
+ if (this.progressBar1.InvokeRequired)
+ {
+ this.progressBar1.Invoke(new SaveEntryProgress(this.StepArchiveProgress), new object[] { e });
+ }
+ else
+ {
+ if (!_saveCanceled)
+ {
+ _nFilesCompleted++;
+ this.progressBar1.PerformStep();
+ _totalBytesAfterCompress += e.CurrentEntry.CompressedSize;
+ _totalBytesBeforeCompress += e.CurrentEntry.UncompressedSize;
+
+ // reset the progress bar for the entry:
+ this.progressBar2.Value = this.progressBar2.Maximum = 1;
+
+ this.Update();
+ }
+ }
+ }
+
+
+ private void StepEntryProgress(SaveProgressEventArgs e)
+ {
+ if (this.progressBar2.InvokeRequired)
+ {
+ this.progressBar2.Invoke(new SaveEntryProgress(this.StepEntryProgress), new object[] { e });
+ }
+ else
+ {
+ if (!_saveCanceled)
+ {
+ if (this.progressBar2.Maximum == 1)
+ {
+ // reset
+ Int64 max = e.TotalBytesToTransfer;
+ _progress2MaxFactor = 0;
+ while (max > System.Int32.MaxValue)
+ {
+ max /= 2;
+ _progress2MaxFactor++;
+ }
+ this.progressBar2.Maximum = (int)max;
+ lblStatus.Text = String.Format("{0} of {1} files...({2})",
+ _nFilesCompleted + 1, _entriesToZip, e.CurrentEntry.FileName);
+ }
+
+ int xferred = e.BytesTransferred >> _progress2MaxFactor;
+
+ this.progressBar2.Value = (xferred >= this.progressBar2.Maximum)
+ ? this.progressBar2.Maximum
+ : xferred;
+
+ this.Update();
+ }
+ }
+ }
+
+ private void SaveCompleted()
+ {
+ if (this.lblStatus.InvokeRequired)
+ {
+ this.lblStatus.Invoke(new MethodInvoker(this.SaveCompleted));
+ }
+ else
+ {
+ lblStatus.Text = String.Format("Done, Compressed {0} files, {1:N0}% of original.",
+ _nFilesCompleted, (100.00 * _totalBytesAfterCompress) / _totalBytesBeforeCompress);
+ ResetState();
+ }
+ }
+
+ private void ResetState()
+ {
+ this.btnCancel.Enabled = false;
+ this.btnOk.Enabled = true;
+ this.btnOk.Text = "Zip it!";
+ this.progressBar1.Value = 0;
+ this.progressBar2.Value = 0;
+ this.Cursor = Cursors.Default;
+ if (!_workerThread.IsAlive)
+ _workerThread.Join();
+ }
+
+
+
+ private static bool justHadByteUpdate = false;
+ public static void ExtractProgress(object sender, ExtractProgressEventArgs e)
+ {
+ if(e.EventType == ZipProgressEventType.Extracting_EntryBytesWritten)
+ {
+ if (justHadByteUpdate)
+ Console.SetCursorPosition(0, Console.CursorTop);
+
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, e.TotalBytesToTransfer,
+ e.BytesTransferred / (0.01 * e.TotalBytesToTransfer ));
+ justHadByteUpdate = true;
+ }
+ else if(e.EventType == ZipProgressEventType.Extracting_BeforeExtractEntry)
+ {
+ if (justHadByteUpdate)
+ Console.WriteLine();
+ Console.WriteLine("Extracting: {0}", e.CurrentEntry.FileName);
+ justHadByteUpdate= false;
+ }
+ }
+
+ public static ExtractZip(string zipToExtract, string directory)
+ {
+ string TargetDirectory= "extract";
+ using (var zip = ZipFile.Read(zipToExtract)) {
+ zip.ExtractProgress += ExtractProgress;
+ foreach (var e in zip1)
+ {
+ e.Extract(TargetDirectory, true);
+ }
+ }
+ }
+
+
+
+ Public Shared Sub Main(ByVal args As String())
+ Dim ZipToUnpack As String = "C1P3SML.zip"
+ Dim TargetDir As String = "ExtractTest_Extract"
+ Console.WriteLine("Extracting file {0} to {1}", ZipToUnpack, TargetDir)
+ Using zip1 As ZipFile = ZipFile.Read(ZipToUnpack)
+ AddHandler zip1.ExtractProgress, AddressOf MyExtractProgress
+ Dim e As ZipEntry
+ For Each e In zip1
+ e.Extract(TargetDir, True)
+ Next
+ End Using
+ End Sub
+
+ Private Shared justHadByteUpdate As Boolean = False
+
+ Public Shared Sub MyExtractProgress(ByVal sender As Object, ByVal e As ExtractProgressEventArgs)
+ If (e.EventType = ZipProgressEventType.Extracting_EntryBytesWritten) Then
+ If ExtractTest.justHadByteUpdate Then
+ Console.SetCursorPosition(0, Console.CursorTop)
+ End If
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, e.TotalBytesToTransfer, (CDbl(e.BytesTransferred) / (0.01 * e.TotalBytesToTransfer)))
+ ExtractTest.justHadByteUpdate = True
+ ElseIf (e.EventType = ZipProgressEventType.Extracting_BeforeExtractEntry) Then
+ If ExtractTest.justHadByteUpdate Then
+ Console.WriteLine
+ End If
+ Console.WriteLine("Extracting: {0}", e.CurrentEntry.FileName)
+ ExtractTest.justHadByteUpdate = False
+ End If
+ End Sub
+
+
+
+ int _numEntriesToAdd= 0;
+ int _numEntriesAdded= 0;
+ void AddProgressHandler(object sender, AddProgressEventArgs e)
+ {
+ switch (e.EventType)
+ {
+ case ZipProgressEventType.Adding_Started:
+ Console.WriteLine("Adding files to the zip...");
+ break;
+ case ZipProgressEventType.Adding_AfterAddEntry:
+ _numEntriesAdded++;
+ Console.WriteLine(String.Format("Adding file {0}/{1} :: {2}",
+ _numEntriesAdded, _numEntriesToAdd, e.CurrentEntry.FileName));
+ break;
+ case ZipProgressEventType.Adding_Completed:
+ Console.WriteLine("Added all files");
+ break;
+ }
+ }
+
+ void CreateTheZip()
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddProgress += AddProgressHandler;
+ zip.AddDirectory(System.IO.Path.GetFileName(DirToZip));
+ zip.Save(ZipFileToCreate);
+ }
+ }
+
+
+
+
+
+ Private Sub AddProgressHandler(ByVal sender As Object, ByVal e As AddProgressEventArgs)
+ Select Case e.EventType
+ Case ZipProgressEventType.Adding_Started
+ Console.WriteLine("Adding files to the zip...")
+ Exit Select
+ Case ZipProgressEventType.Adding_AfterAddEntry
+ Console.WriteLine(String.Format("Adding file {0}", e.CurrentEntry.FileName))
+ Exit Select
+ Case ZipProgressEventType.Adding_Completed
+ Console.WriteLine("Added all files")
+ Exit Select
+ End Select
+ End Sub
+
+ Sub CreateTheZip()
+ Using zip as ZipFile = New ZipFile
+ AddHandler zip.AddProgress, AddressOf AddProgressHandler
+ zip.AddDirectory(System.IO.Path.GetFileName(DirToZip))
+ zip.Save(ZipFileToCreate);
+ End Using
+ End Sub
+
+
+
+
+
+ public static void MyZipError(object sender, ZipErrorEventArgs e)
+ {
+ Console.WriteLine("Error saving {0}...", e.FileName);
+ Console.WriteLine(" Exception: {0}", e.exception);
+ ZipEntry entry = e.CurrentEntry;
+ string response = null;
+ // Ask the user whether he wants to skip this error or not
+ do
+ {
+ Console.Write("Retry, Skip, Throw, or Cancel ? (R/S/T/C) ");
+ response = Console.ReadLine();
+ Console.WriteLine();
+
+ } while (response != null &&
+ response[0]!='S' && response[0]!='s' &&
+ response[0]!='R' && response[0]!='r' &&
+ response[0]!='T' && response[0]!='t' &&
+ response[0]!='C' && response[0]!='c');
+
+ e.Cancel = (response[0]=='C' || response[0]=='c');
+
+ if (response[0]=='S' || response[0]=='s')
+ entry.ZipErrorAction = ZipErrorAction.Skip;
+ else if (response[0]=='R' || response[0]=='r')
+ entry.ZipErrorAction = ZipErrorAction.Retry;
+ else if (response[0]=='T' || response[0]=='t')
+ entry.ZipErrorAction = ZipErrorAction.Throw;
+ }
+
+ public void SaveTheFile()
+ {
+ string directoryToZip = "fodder";
+ string directoryInArchive = "files";
+ string zipFileToCreate = "Archive.zip";
+ using (var zip = new ZipFile())
+ {
+ // set the event handler before adding any entries
+ zip.ZipError += MyZipError;
+ zip.AddDirectory(directoryToZip, directoryInArchive);
+ zip.Save(zipFileToCreate);
+ }
+ }
+
+
+
+ Private Sub MyZipError(ByVal sender As Object, ByVal e As Ionic.Zip.ZipErrorEventArgs)
+ ' At this point, the application could prompt the user for an action to take.
+ ' But in this case, this application will simply automatically skip the file, in case of error.
+ Console.WriteLine("Zip Error, entry {0}", e.CurrentEntry.FileName)
+ Console.WriteLine(" Exception: {0}", e.exception)
+ ' set the desired ZipErrorAction on the CurrentEntry to communicate that to DotNetZip
+ e.CurrentEntry.ZipErrorAction = Zip.ZipErrorAction.Skip
+ End Sub
+
+ Public Sub SaveTheFile()
+ Dim directoryToZip As String = "fodder"
+ Dim directoryInArchive As String = "files"
+ Dim zipFileToCreate as String = "Archive.zip"
+ Using zipArchive As ZipFile = New ZipFile
+ ' set the event handler before adding any entries
+ AddHandler zipArchive.ZipError, AddressOf MyZipError
+ zipArchive.AddDirectory(directoryToZip, directoryInArchive)
+ zipArchive.Save(zipFileToCreate)
+ End Using
+ End Sub
+
+
+
+ String TargetDirectory= "unpack";
+ using(ZipFile zip= ZipFile.Read(ZipFileToExtract))
+ {
+ zip.ExtractExistingFile= ExtractExistingFileAction.OverwriteSilently;
+ zip.ExtractAll(TargetDirectory);
+ }
+
+
+
+ Dim TargetDirectory As String = "unpack"
+ Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
+ zip.ExtractExistingFile= ExtractExistingFileAction.OverwriteSilently
+ zip.ExtractAll(TargetDirectory)
+ End Using
+
+
+ String TargetDirectory= "c:\\unpack";
+ using(ZipFile zip= ZipFile.Read(ZipFileToExtract))
+ {
+ zip.ExtractAll(TargetDirectory, ExtractExistingFileAction.DontOverwrite);
+ }
+
+
+
+ Dim TargetDirectory As String = "c:\unpack"
+ Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
+ zip.ExtractAll(TargetDirectory, ExtractExistingFileAction.DontOverwrite)
+ End Using
+
+
+ string zipToExtract = "MyArchive.zip";
+ string extractDirectory = "extract";
+ var options = new ReadOptions
+ {
+ StatusMessageWriter = System.Console.Out,
+ Encoding = System.Text.Encoding.GetEncoding(950)
+ };
+ using (ZipFile zip = ZipFile.Read(zipToExtract, options))
+ {
+ foreach (ZipEntry e in zip)
+ {
+ e.Extract(extractDirectory);
+ }
+ }
+
+
+
+
+ Dim zipToExtract as String = "MyArchive.zip"
+ Dim extractDirectory as String = "extract"
+ Dim options as New ReadOptions
+ options.Encoding = System.Text.Encoding.GetEncoding(950)
+ options.StatusMessageWriter = System.Console.Out
+ Using zip As ZipFile = ZipFile.Read(zipToExtract, options)
+ Dim e As ZipEntry
+ For Each e In zip
+ e.Extract(extractDirectory)
+ Next
+ End Using
+
+
+ var options = new ReadOptions
+ {
+ StatusMessageWriter = new System.IO.StringWriter()
+ };
+ using (ZipFile zip = ZipFile.Read("PackedDocuments.zip", options))
+ {
+ var Threshold = new DateTime(2007,7,4);
+ // We cannot remove the entry from the list, within the context of
+ // an enumeration of said list.
+ // So we add the doomed entry to a list to be removed later.
+ // pass 1: mark the entries for removal
+ var MarkedEntries = new System.Collections.Generic.List<ZipEntry>();
+ foreach (ZipEntry e in zip)
+ {
+ if (e.LastModified < Threshold)
+ MarkedEntries.Add(e);
+ }
+ // pass 2: actually remove the entry.
+ foreach (ZipEntry zombie in MarkedEntries)
+ zip.RemoveEntry(zombie);
+ zip.Comment = "This archive has been updated.";
+ zip.Save();
+ }
+ // can now use contents of sw, eg store in an audit log
+
+
+
+ Dim options as New ReadOptions
+ options.StatusMessageWriter = New System.IO.StringWriter
+ Using zip As ZipFile = ZipFile.Read("PackedDocuments.zip", options)
+ Dim Threshold As New DateTime(2007, 7, 4)
+ ' We cannot remove the entry from the list, within the context of
+ ' an enumeration of said list.
+ ' So we add the doomed entry to a list to be removed later.
+ ' pass 1: mark the entries for removal
+ Dim MarkedEntries As New System.Collections.Generic.List(Of ZipEntry)
+ Dim e As ZipEntry
+ For Each e In zip
+ If (e.LastModified < Threshold) Then
+ MarkedEntries.Add(e)
+ End If
+ Next
+ ' pass 2: actually remove the entry.
+ Dim zombie As ZipEntry
+ For Each zombie In MarkedEntries
+ zip.RemoveEntry(zombie)
+ Next
+ zip.Comment = "This archive has been updated."
+ zip.Save
+ End Using
+ ' can now use contents of sw, eg store in an audit log
+
+
+ using (ZipFile zip = ZipFile.Read(InputStream))
+ {
+ zip.Extract("NameOfEntryInArchive.doc", OutputStream);
+ }
+
+
+
+ Using zip as ZipFile = ZipFile.Read(InputStream)
+ zip.Extract("NameOfEntryInArchive.doc", OutputStream)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddDirectory(@"c:\reports\January");
+ zip.Save("January.zip");
+ }
+
+
+
+ Using zip As New ZipFile()
+ zip.AddDirectory("c:\reports\January")
+ zip.Save("January.zip")
+ End Using
+
+
+
+ using (ZipFile zip = ZipFile.Read("ExistingArchive.zip"))
+ {
+ zip.AddFile("NewData.csv");
+ zip.Save("UpdatedArchive.zip");
+ }
+
+
+
+ Using zip As ZipFile = ZipFile.Read("ExistingArchive.zip")
+ zip.AddFile("NewData.csv")
+ zip.Save("UpdatedArchive.zip")
+ End Using
+
+
+
+ using (var zip = new Ionic.Zip.ZipFile())
+ {
+ zip.CompressionLevel= Ionic.Zlib.CompressionLevel.BestCompression;
+ zip.Password = "VerySecret.";
+ zip.Encryption = EncryptionAlgorithm.WinZipAes128;
+ zip.AddFile(sourceFileName);
+ MemoryStream output = new MemoryStream();
+ zip.Save(output);
+
+ byte[] zipbytes = output.ToArray();
+ }
+
+
+ using (var fs = new FileStream(filename, FileMode.Open))
+ {
+ using (var zip = Ionic.Zip.ZipFile.Read(inputStream))
+ {
+ zip.AddEntry("Name1.txt", "this is the content");
+ zip.Save(inputStream); // NO NO NO!!
+ }
+ }
+
+
+
+ using (var zip = Ionic.Zip.ZipFile.Read(filename))
+ {
+ zip.AddEntry("Name1.txt", "this is the content");
+ zip.Save(); // YES!
+ }
+
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // To just match on filename wildcards,
+ // use the shorthand form of the selectionCriteria string.
+ zip.AddSelectedFiles("*.csv");
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile()
+ zip.AddSelectedFiles("*.csv")
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", true);
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile()
+ ' Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", true)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", "d:\\rawdata");
+ zip.Save(PathToZipArchive);
+ }
+
+
+
+ Using zip As ZipFile = New ZipFile()
+ ' Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", "d:\rawdata)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.csv and mtime > 2009-02-14", "files", true);
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile()
+ ' Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.csv and mtime > 2009-02-14", "files", true)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ Using Zip As ZipFile = New ZipFile(zipfile)
+ Zip.AddSelectedFfiles("name != 'excludethis\*.*'", datapath, True)
+ Zip.Save()
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.psd and mtime > 2009-02-14", "photos", "content");
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile
+ zip.AddSelectedFiles("name = *.psd and mtime > 2009-02-14", "photos", "content")
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddSelectedFiles("name != *.pst", SourceDirectory, "backup", true);
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile
+ zip.AddSelectedFiles("name != *.pst", SourceDirectory, "backup", true)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ var PhotoShopFiles = zip1.SelectEntries("*.psd");
+ foreach (ZipEntry psd in PhotoShopFiles)
+ {
+ psd.Extract();
+ }
+ }
+
+
+ Using zip1 As ZipFile = ZipFile.Read(ZipFileName)
+ Dim PhotoShopFiles as ICollection(Of ZipEntry)
+ PhotoShopFiles = zip1.SelectEntries("*.psd")
+ Dim psd As ZipEntry
+ For Each psd In PhotoShopFiles
+ psd.Extract
+ Next
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ var UpdatedPhotoShopFiles = zip1.SelectEntries("*.psd", "UpdatedFiles");
+ foreach (ZipEntry e in UpdatedPhotoShopFiles)
+ {
+ // prompt for extract here
+ if (WantExtract(e.FileName))
+ e.Extract();
+ }
+ }
+
+
+ Using zip1 As ZipFile = ZipFile.Read(ZipFileName)
+ Dim UpdatedPhotoShopFiles As ICollection(Of ZipEntry) = zip1.SelectEntries("*.psd", "UpdatedFiles")
+ Dim e As ZipEntry
+ For Each e In UpdatedPhotoShopFiles
+ ' prompt for extract here
+ If Me.WantExtract(e.FileName) Then
+ e.Extract
+ End If
+ Next
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ // remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01");
+ // don't forget to save the archive!
+ zip1.Save();
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read(ZipFileName)
+ ' remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01")
+ ' do not forget to save the archive!
+ zip1.Save
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ // remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01", "documents");
+ // a call to ZipFile.Save will make the modifications permanent
+ zip1.Save();
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read(ZipFileName)
+ ' remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01", "documents")
+ ' a call to ZipFile.Save will make the modifications permanent
+ zip1.Save
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml and mtime > 2009-01-15");
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml and mtime > 2009-01-15",
+ ExtractExistingFileAction.OverwriteSilently);
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml and mtime > 2009-01-15","unpack");
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml or size > 100000",
+ null,
+ "unpack",
+ ExtractExistingFileAction.DontOverwrite);
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipfile))
+ {
+ bool header = true;
+ foreach (ZipEntry e in zip)
+ {
+ if (header)
+ {
+ System.Console.WriteLine("Zipfile: {0}", zip.Name);
+ System.Console.WriteLine("Version Needed: 0x{0:X2}", e.VersionNeeded);
+ System.Console.WriteLine("BitField: 0x{0:X2}", e.BitField);
+ System.Console.WriteLine("Compression Method: 0x{0:X2}", e.CompressionMethod);
+ System.Console.WriteLine("\n{1,-22} {2,-6} {3,4} {4,-8} {0}",
+ "Filename", "Modified", "Size", "Ratio", "Packed");
+ System.Console.WriteLine(new System.String('-', 72));
+ header = false;
+ }
+
+ System.Console.WriteLine("{1,-22} {2,-6} {3,4:F0}% {4,-8} {0}",
+ e.FileName,
+ e.LastModified.ToString("yyyy-MM-dd HH:mm:ss"),
+ e.UncompressedSize,
+ e.CompressionRatio,
+ e.CompressedSize);
+
+ e.Extract();
+ }
+ }
+
+
+
+ Dim ZipFileToExtract As String = "c:\foo.zip"
+ Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
+ Dim header As Boolean = True
+ Dim e As ZipEntry
+ For Each e In zip
+ If header Then
+ Console.WriteLine("Zipfile: {0}", zip.Name)
+ Console.WriteLine("Version Needed: 0x{0:X2}", e.VersionNeeded)
+ Console.WriteLine("BitField: 0x{0:X2}", e.BitField)
+ Console.WriteLine("Compression Method: 0x{0:X2}", e.CompressionMethod)
+ Console.WriteLine(ChrW(10) & "{1,-22} {2,-6} {3,4} {4,-8} {0}", _
+ "Filename", "Modified", "Size", "Ratio", "Packed" )
+ Console.WriteLine(New String("-"c, 72))
+ header = False
+ End If
+ Console.WriteLine("{1,-22} {2,-6} {3,4:F0}% {4,-8} {0}", _
+ e.FileName, _
+ e.LastModified.ToString("yyyy-MM-dd HH:mm:ss"), _
+ e.UncompressedSize, _
+ e.CompressionRatio, _
+ e.CompressedSize )
+ e.Extract
+ Next
+ End Using
+
+
+ private void WriteEntry (String filename, Stream output)
+ {
+ DataSet ds1 = ObtainDataSet();
+ ds1.WriteXml(output);
+ }
+
+ private void Run()
+ {
+ using (var zip = new ZipFile())
+ {
+ zip.AddEntry(zipEntryName, WriteEntry);
+ zip.Save(zipFileName);
+ }
+ }
+
+
+
+ Private Sub WriteEntry (ByVal filename As String, ByVal output As Stream)
+ DataSet ds1 = ObtainDataSet()
+ ds1.WriteXml(stream)
+ End Sub
+
+ Public Sub Run()
+ Using zip = New ZipFile
+ zip.AddEntry(zipEntryName, New WriteDelegate(AddressOf WriteEntry))
+ zip.Save(zipFileName)
+ End Using
+ End Sub
+
+
+ var cipher = new ZipCrypto();
+ cipher.InitCipher(Password);
+ // Decrypt the header. This has a side effect of "further initializing the
+ // encryption keys" in the traditional zip encryption.
+ byte[] DecryptedMessage = cipher.DecryptMessage(EncryptedMessage);
+
+
+ Step 1 - Initializing the encryption keys
+ -----------------------------------------
+ Start with these keys:
+ Key(0) := 305419896 (0x12345678)
+ Key(1) := 591751049 (0x23456789)
+ Key(2) := 878082192 (0x34567890)
+
+ Then, initialize the keys with a password:
+
+ loop for i from 0 to length(password)-1
+ update_keys(password(i))
+ end loop
+
+ Where update_keys() is defined as:
+
+ update_keys(char):
+ Key(0) := crc32(key(0),char)
+ Key(1) := Key(1) + (Key(0) bitwiseAND 000000ffH)
+ Key(1) := Key(1) * 134775813 + 1
+ Key(2) := crc32(key(2),key(1) rightshift 24)
+ end update_keys
+
+ Where crc32(old_crc,char) is a routine that given a CRC value and a
+ character, returns an updated CRC value after applying the CRC-32
+ algorithm described elsewhere in this document.
+
+
+
+
+ using (ZipFile zip = new ZipFile(ZipFileToCreate))
+ {
+ ZipEntry e1= zip.AddFile(@"notes\Readme.txt");
+ ZipEntry e2= zip.AddFile(@"music\StopThisTrain.mp3");
+ e2.CompressionMethod = CompressionMethod.None;
+ zip.Save();
+ }
+
+
+
+ Using zip As New ZipFile(ZipFileToCreate)
+ zip.AddFile("notes\Readme.txt")
+ Dim e2 as ZipEntry = zip.AddFile("music\StopThisTrain.mp3")
+ e2.CompressionMethod = CompressionMethod.None
+ zip.Save
+ End Using
+
+
+ // Create a zip archive with AES Encryption.
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("ReadMe.txt")
+ ZipEntry e1= zip.AddFile("2008-Regional-Sales-Report.pdf");
+ e1.Encryption= EncryptionAlgorithm.WinZipAes256;
+ e1.Password= "Top.Secret.No.Peeking!";
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // Extract a zip archive that uses AES Encryption.
+ // You do not need to specify the algorithm during extraction.
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ // Specify the password that is used during extraction, for
+ // all entries that require a password:
+ zip.Password= "Top.Secret.No.Peeking!";
+ zip.ExtractAll("extractDirectory");
+ }
+
+
+
+ ' Create a zip that uses Encryption.
+ Using zip As New ZipFile()
+ zip.AddFile("ReadMe.txt")
+ Dim e1 as ZipEntry
+ e1= zip.AddFile("2008-Regional-Sales-Report.pdf")
+ e1.Encryption= EncryptionAlgorithm.WinZipAes256
+ e1.Password= "Top.Secret.No.Peeking!"
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+ ' Extract a zip archive that uses AES Encryption.
+ ' You do not need to specify the algorithm during extraction.
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ ' Specify the password that is used during extraction, for
+ ' all entries that require a password:
+ zip.Password= "Top.Secret.No.Peeking!"
+ zip.ExtractAll("extractDirectory")
+ End Using
+
+
+
+ // create a file with encryption
+ using (ZipFile zip = new ZipFile())
+ {
+ ZipEntry entry;
+ entry= zip.AddFile("Declaration.txt");
+ entry.Password= "123456!";
+ entry = zip.AddFile("Report.xls");
+ entry.Password= "1Secret!";
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // extract entries that use encryption
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ ZipEntry entry;
+ entry = zip["Declaration.txt"];
+ entry.Password = "123456!";
+ entry.Extract("extractDir");
+ entry = zip["Report.xls"];
+ entry.Password = "1Secret!";
+ entry.Extract("extractDir");
+ }
+
+
+
+
+ Using zip As New ZipFile
+ Dim entry as ZipEntry
+ entry= zip.AddFile("Declaration.txt")
+ entry.Password= "123456!"
+ entry = zip.AddFile("Report.xls")
+ entry.Password= "1Secret!"
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+
+ ' extract entries that use encryption
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ Dim entry as ZipEntry
+ entry = zip("Declaration.txt")
+ entry.Password = "123456!"
+ entry.Extract("extractDir")
+ entry = zip("Report.xls")
+ entry.Password = "1Secret!"
+ entry.Extract("extractDir")
+ End Using
+
+
+
+
+ public static void ExtractProgress(object sender, ExtractProgressEventArgs e)
+ {
+ if (e.EventType == ZipProgressEventType.Extracting_BeforeExtractEntry)
+ Console.WriteLine("extract {0} ", e.CurrentEntry.FileName);
+
+ else if (e.EventType == ZipProgressEventType.Extracting_ExtractEntryWouldOverwrite)
+ {
+ ZipEntry entry = e.CurrentEntry;
+ string response = null;
+ // Ask the user if he wants overwrite the file
+ do
+ {
+ Console.Write("Overwrite {0} in {1} ? (y/n/C) ", entry.FileName, e.ExtractLocation);
+ response = Console.ReadLine();
+ Console.WriteLine();
+
+ } while (response != null && response[0]!='Y' &&
+ response[0]!='N' && response[0]!='C');
+
+ if (response[0]=='C')
+ e.Cancel = true;
+ else if (response[0]=='Y')
+ entry.ExtractExistingFile = ExtractExistingFileAction.OverwriteSilently;
+ else
+ entry.ExtractExistingFile= ExtractExistingFileAction.DoNotOverwrite;
+ }
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.AlternateEnoding = System.Text.Encoding.GetEncoding("ibm861");
+ zip.AlternateEnodingUsage = ZipOption.Always;
+ zip.AddFileS(arrayOfFiles);
+ zip.Save("Myarchive-Encoded-in-IBM861.zip");
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ var e = zip.UpdateFile("Descriptions.mme", "");
+ e.IsText = true;
+ zip.Save(zipPath);
+ }
+
+
+
+ Using zip As New ZipFile
+ Dim e2 as ZipEntry = zip.AddFile("Descriptions.mme", "")
+ e.IsText= True
+ zip.Save(zipPath)
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read("PackedDocuments.zip"))
+ {
+ foreach (string s1 in zip.EntryFilenames)
+ {
+ if (s1.EndsWith(".txt"))
+ {
+ zip[s1].Extract("textfiles");
+ }
+ }
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read("PackedDocuments.zip")
+ Dim s1 As String
+ For Each s1 In zip.EntryFilenames
+ If s1.EndsWith(".txt") Then
+ zip(s1).Extract("textfiles")
+ End If
+ Next
+ End Using
+
+
+ String sZipPath = "Airborne.zip";
+ String sFilePath = "Readme.txt";
+ String sRootFolder = "Digado";
+ using (ZipFile zip = ZipFile.Read(sZipPath))
+ {
+ if (zip.EntryFileNames.Contains(sFilePath))
+ {
+ // use the string indexer on the zip file
+ zip[sFileName].Extract(sRootFolder,
+ ExtractExistingFileAction.OverwriteSilently);
+ }
+ }
+
+
+
+ Dim sZipPath as String = "Airborne.zip"
+ Dim sFilePath As String = "Readme.txt"
+ Dim sRootFolder As String = "Digado"
+ Using zip As ZipFile = ZipFile.Read(sZipPath)
+ If zip.EntryFileNames.Contains(sFilePath)
+ ' use the string indexer on the zip file
+ zip(sFilePath).Extract(sRootFolder, _
+ ExtractExistingFileAction.OverwriteSilently)
+ End If
+ End Using
+
+
+ using (var zip = ZipFile.Read(FilePath))
+ {
+ foreach (ZipEntry e in zip)
+ {
+ if (e.UsesEncryption)
+ e.ExtractWithPassword("Secret!");
+ else
+ e.Extract();
+ }
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read(FilePath)
+ Dim e As ZipEntry
+ For Each e In zip
+ If (e.UsesEncryption)
+ e.ExtractWithPassword("Secret!")
+ Else
+ e.Extract
+ End If
+ Next
+ End Using
+
+
+ using (ZipFile zip = new ZipFile(ZipFileToRead))
+ {
+ ZipEntry e1= zip["Elevation.mp3"];
+ using (Ionic.Zlib.CrcCalculatorStream s = e1.OpenReader())
+ {
+ byte[] buffer = new byte[4096];
+ int n, totalBytesRead= 0;
+ do {
+ n = s.Read(buffer,0, buffer.Length);
+ totalBytesRead+=n;
+ } while (n>0);
+ if (s.Crc32 != e1.Crc32)
+ throw new Exception(string.Format("The Zip Entry failed the CRC Check. (0x{0:X8}!=0x{1:X8})", s.Crc32, e1.Crc32));
+ if (totalBytesRead != e1.UncompressedSize)
+ throw new Exception(string.Format("We read an unexpected number of bytes. ({0}!={1})", totalBytesRead, e1.UncompressedSize));
+ }
+ }
+
+
+ Using zip As New ZipFile(ZipFileToRead)
+ Dim e1 As ZipEntry = zip.Item("Elevation.mp3")
+ Using s As Ionic.Zlib.CrcCalculatorStream = e1.OpenReader
+ Dim n As Integer
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim totalBytesRead As Integer = 0
+ Do
+ n = s.Read(buffer, 0, buffer.Length)
+ totalBytesRead = (totalBytesRead + n)
+ Loop While (n > 0)
+ If (s.Crc32 <> e1.Crc32) Then
+ Throw New Exception(String.Format("The Zip Entry failed the CRC Check. (0x{0:X8}!=0x{1:X8})", s.Crc32, e1.Crc32))
+ End If
+ If (totalBytesRead <> e1.UncompressedSize) Then
+ Throw New Exception(String.Format("We read an unexpected number of bytes. ({0}!={1})", totalBytesRead, e1.UncompressedSize))
+ End If
+ End Using
+ End Using
+
+
+ private void Unzip()
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ using (var raw = File.Open(inputFileName, FileMode.Open, FileAccess.Read))
+ {
+ using (var input= new ZipInputStream(raw))
+ {
+ ZipEntry e;
+ while (( e = input.GetNextEntry()) != null)
+ {
+ if (e.IsDirectory) continue;
+ string outputPath = Path.Combine(extractDir, e.FileName);
+ using (var output = File.Open(outputPath, FileMode.Create, FileAccess.ReadWrite))
+ {
+ while ((n= input.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub UnZip()
+ Dim inputFileName As String = "MyArchive.zip"
+ Dim extractDir As String = "extract"
+ Dim buffer As Byte() = New Byte(2048) {}
+ Using raw As FileStream = File.Open(inputFileName, FileMode.Open, FileAccess.Read)
+ Using input As ZipInputStream = New ZipInputStream(raw)
+ Dim e As ZipEntry
+ Do While (Not e = input.GetNextEntry Is Nothing)
+ If Not e.IsDirectory Then
+ Using output As FileStream = File.Open(Path.Combine(extractDir, e.FileName), _
+ FileMode.Create, FileAccess.ReadWrite)
+ Dim n As Integer
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ End If
+ Loop
+ End Using
+ End Using
+ End Sub
+
+
+ private void Unzip()
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ using (var input= new ZipInputStream(inputFileName))
+ {
+ ZipEntry e;
+ while (( e = input.GetNextEntry()) != null)
+ {
+ if (e.IsDirectory) continue;
+ string outputPath = Path.Combine(extractDir, e.FileName);
+ using (var output = File.Open(outputPath, FileMode.Create, FileAccess.ReadWrite))
+ {
+ while ((n= input.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub UnZip()
+ Dim inputFileName As String = "MyArchive.zip"
+ Dim extractDir As String = "extract"
+ Dim buffer As Byte() = New Byte(2048) {}
+ Using input As ZipInputStream = New ZipInputStream(inputFileName)
+ Dim e As ZipEntry
+ Do While (Not e = input.GetNextEntry Is Nothing)
+ If Not e.IsDirectory Then
+ Using output As FileStream = File.Open(Path.Combine(extractDir, e.FileName), _
+ FileMode.Create, FileAccess.ReadWrite)
+ Dim n As Integer
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ End If
+ Loop
+ End Using
+ End Sub
+
+
+ byte[] buffer= new byte[2048];
+ int n;
+ using (var raw = File.Open(_inputFileName, FileMode.Open, FileAccess.Read ))
+ {
+ using (var input= new ZipInputStream(raw))
+ {
+ ZipEntry e;
+ while (( e = input.GetNextEntry()) != null)
+ {
+ input.Password = PasswordForEntry(e.FileName);
+ if (e.IsDirectory) continue;
+ string outputPath = Path.Combine(_extractDir, e.FileName);
+ using (var output = File.Open(outputPath, FileMode.Create, FileAccess.ReadWrite))
+ {
+ while ((n= input.Read(buffer,0,buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+
+
+
+ private void Zipup()
+ {
+ if (filesToZip.Count == 0)
+ {
+ System.Console.WriteLine("Nothing to do.");
+ return;
+ }
+
+ using (var raw = File.Open(_outputFileName, FileMode.Create, FileAccess.ReadWrite ))
+ {
+ using (var output= new ZipOutputStream(raw))
+ {
+ output.Password = "VerySecret!";
+ output.Encryption = EncryptionAlgorithm.WinZipAes256;
+
+ foreach (string inputFileName in filesToZip)
+ {
+ System.Console.WriteLine("file: {0}", inputFileName);
+
+ output.PutNextEntry(inputFileName);
+ using (var input = File.Open(inputFileName, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Write ))
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ while ((n= input.Read(buffer,0,buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub Zipup()
+ Dim outputFileName As String = "XmlData.zip"
+ Dim filesToZip As String() = Directory.GetFiles(".", "*.xml")
+ If (filesToZip.Length = 0) Then
+ Console.WriteLine("Nothing to do.")
+ Else
+ Using raw As FileStream = File.Open(outputFileName, FileMode.Create, FileAccess.ReadWrite)
+ Using output As ZipOutputStream = New ZipOutputStream(raw)
+ output.Password = "VerySecret!"
+ output.Encryption = EncryptionAlgorithm.WinZipAes256
+ Dim inputFileName As String
+ For Each inputFileName In filesToZip
+ Console.WriteLine("file: {0}", inputFileName)
+ output.PutNextEntry(inputFileName)
+ Using input As FileStream = File.Open(inputFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
+ Dim n As Integer
+ Dim buffer As Byte() = New Byte(2048) {}
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ Next
+ End Using
+ End Using
+ End If
+ End Sub
+
+
+ private void Zipup()
+ {
+ if (filesToZip.Count == 0)
+ {
+ System.Console.WriteLine("Nothing to do.");
+ return;
+ }
+
+ using (var output= new ZipOutputStream(outputFileName))
+ {
+ output.Password = "VerySecret!";
+ output.Encryption = EncryptionAlgorithm.WinZipAes256;
+
+ foreach (string inputFileName in filesToZip)
+ {
+ System.Console.WriteLine("file: {0}", inputFileName);
+
+ output.PutNextEntry(inputFileName);
+ using (var input = File.Open(inputFileName, FileMode.Open, FileAccess.Read,
+ FileShare.Read | FileShare.Write ))
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ while ((n= input.Read(buffer,0,buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub Zipup()
+ Dim outputFileName As String = "XmlData.zip"
+ Dim filesToZip As String() = Directory.GetFiles(".", "*.xml")
+ If (filesToZip.Length = 0) Then
+ Console.WriteLine("Nothing to do.")
+ Else
+ Using output As ZipOutputStream = New ZipOutputStream(outputFileName)
+ output.Password = "VerySecret!"
+ output.Encryption = EncryptionAlgorithm.WinZipAes256
+ Dim inputFileName As String
+ For Each inputFileName In filesToZip
+ Console.WriteLine("file: {0}", inputFileName)
+ output.PutNextEntry(inputFileName)
+ Using input As FileStream = File.Open(inputFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
+ Dim n As Integer
+ Dim buffer As Byte() = New Byte(2048) {}
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ Next
+ End Using
+ End If
+ End Sub
+
+
+ private void Zipup()
+ {
+ using (FileStream fs raw = File.Open(_outputFileName, FileMode.Create, FileAccess.ReadWrite ))
+ {
+ using (var output= new ZipOutputStream(fs))
+ {
+ output.Password = "VerySecret!";
+ output.Encryption = EncryptionAlgorithm.WinZipAes256;
+ output.PutNextEntry("entry1.txt");
+ byte[] buffer= System.Text.Encoding.ASCII.GetBytes("This is the content for entry #1.");
+ output.Write(buffer,0,buffer.Length);
+ output.PutNextEntry("entry2.txt"); // this will be zero length
+ output.PutNextEntry("entry3.txt");
+ buffer= System.Text.Encoding.ASCII.GetBytes("This is the content for entry #3.");
+ output.Write(buffer,0,buffer.Length);
+ }
+ }
+ }
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".deflated"))
+ {
+ using (Stream compressor = new DeflateStream(raw, CompressionMode.Compress))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".deflated")
+ Using compressor As Stream = New DeflateStream(raw, CompressionMode.Compress)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".deflated"))
+ {
+ using (Stream compressor = new DeflateStream(raw,
+ CompressionMode.Compress,
+ CompressionLevel.BestCompression))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n= -1;
+ while (n != 0)
+ {
+ if (n > 0)
+ compressor.Write(buffer, 0, n);
+ n= input.Read(buffer, 0, buffer.Length);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".deflated")
+ Using compressor As Stream = New DeflateStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (var output = System.IO.File.Create(fileToCompress + ".deflated"))
+ {
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (Stream compressor = new DeflateStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n= -1;
+ while (n != 0)
+ {
+ if (n > 0)
+ compressor.Write(buffer, 0, n);
+ n= input.Read(buffer, 0, buffer.Length);
+ }
+ }
+ }
+ // can write additional data to the output stream here
+ }
+
+
+
+ Using output As FileStream = File.Create(fileToCompress & ".deflated")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using compressor As Stream = New DeflateStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ ' can write additional data to the output stream here.
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(outputFile))
+ {
+ using (Stream compressor = new GZipStream(raw, CompressionMode.Compress))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Dim outputFile As String = (fileToCompress & ".compressed")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(outputFile)
+ Using compressor As Stream = New GZipStream(raw, CompressionMode.Compress)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ private void GunZipFile(string filename)
+ {
+ if (!filename.EndsWith(".gz))
+ throw new ArgumentException("filename");
+ var DecompressedFile = filename.Substring(0,filename.Length-3);
+ byte[] working = new byte[WORKING_BUFFER_SIZE];
+ int n= 1;
+ using (System.IO.Stream input = System.IO.File.OpenRead(filename))
+ {
+ using (Stream decompressor= new Ionic.Zlib.GZipStream(input, CompressionMode.Decompress, true))
+ {
+ using (var output = System.IO.File.Create(DecompressedFile))
+ {
+ while (n !=0)
+ {
+ n= decompressor.Read(working, 0, working.Length);
+ if (n > 0)
+ {
+ output.Write(working, 0, n);
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub GunZipFile(ByVal filename as String)
+ If Not (filename.EndsWith(".gz)) Then
+ Throw New ArgumentException("filename")
+ End If
+ Dim DecompressedFile as String = filename.Substring(0,filename.Length-3)
+ Dim working(WORKING_BUFFER_SIZE) as Byte
+ Dim n As Integer = 1
+ Using input As Stream = File.OpenRead(filename)
+ Using decompressor As Stream = new Ionic.Zlib.GZipStream(input, CompressionMode.Decompress, True)
+ Using output As Stream = File.Create(UncompressedFile)
+ Do
+ n= decompressor.Read(working, 0, working.Length)
+ If n > 0 Then
+ output.Write(working, 0, n)
+ End IF
+ Loop While (n > 0)
+ End Using
+ End Using
+ End Using
+ End Sub
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".gz"))
+ {
+ using (Stream compressor = new GZipStream(raw,
+ CompressionMode.Compress,
+ CompressionLevel.BestCompression))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".gz")
+ Using compressor As Stream = New GZipStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(outputFile))
+ {
+ using (Stream compressor = new GZipStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression, true))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Dim outputFile As String = (fileToCompress & ".compressed")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(outputFile)
+ Using compressor As Stream = New GZipStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression, True)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ byte[] working = new byte[WORKING_BUFFER_SIZE];
+ using (System.IO.Stream input = System.IO.File.OpenRead(_CompressedFile))
+ {
+ using (Stream decompressor= new Ionic.Zlib.GZipStream(input, CompressionMode.Decompress, true))
+ {
+ using (var output = System.IO.File.Create(_DecompressedFile))
+ {
+ int n;
+ while ((n= decompressor.Read(working, 0, working.Length)) !=0)
+ {
+ output.Write(working, 0, n);
+ }
+ }
+ }
+ }
+
+
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n= -1;
+ String outputFile = fileToCompress + ".compressed";
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(outputFile))
+ {
+ using (Stream compressor = new ParallelDeflateOutputStream(raw))
+ {
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Dim outputFile As String = (fileToCompress & ".compressed")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(outputFile)
+ Using compressor As Stream = New ParallelDeflateOutputStream(raw)
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ ParallelDeflateOutputStream deflater = null;
+ foreach (var inputFile in listOfFiles)
+ {
+ string outputFile = inputFile + ".compressed";
+ using (System.IO.Stream input = System.IO.File.OpenRead(inputFile))
+ {
+ using (var outStream = System.IO.File.Create(outputFile))
+ {
+ if (deflater == null)
+ deflater = new ParallelDeflateOutputStream(outStream,
+ CompressionLevel.Best,
+ CompressionStrategy.Default,
+ true);
+ deflater.Reset(outStream);
+
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ deflater.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ var adler = Adler.Adler32(0, null, 0, 0);
+ adler = Adler.Adler32(adler, buffer, index, length);
+
+
+ private void InflateBuffer()
+ {
+ int bufferSize = 1024;
+ byte[] buffer = new byte[bufferSize];
+ ZlibCodec decompressor = new ZlibCodec();
+
+ Console.WriteLine("\n============================================");
+ Console.WriteLine("Size of Buffer to Inflate: {0} bytes.", CompressedBytes.Length);
+ MemoryStream ms = new MemoryStream(DecompressedBytes);
+
+ int rc = decompressor.InitializeInflate();
+
+ decompressor.InputBuffer = CompressedBytes;
+ decompressor.NextIn = 0;
+ decompressor.AvailableBytesIn = CompressedBytes.Length;
+
+ decompressor.OutputBuffer = buffer;
+
+ // pass 1: inflate
+ do
+ {
+ decompressor.NextOut = 0;
+ decompressor.AvailableBytesOut = buffer.Length;
+ rc = decompressor.Inflate(FlushType.None);
+
+ if (rc != ZlibConstants.Z_OK && rc != ZlibConstants.Z_STREAM_END)
+ throw new Exception("inflating: " + decompressor.Message);
+
+ ms.Write(decompressor.OutputBuffer, 0, buffer.Length - decompressor.AvailableBytesOut);
+ }
+ while (decompressor.AvailableBytesIn > 0 || decompressor.AvailableBytesOut == 0);
+
+ // pass 2: finish and flush
+ do
+ {
+ decompressor.NextOut = 0;
+ decompressor.AvailableBytesOut = buffer.Length;
+ rc = decompressor.Inflate(FlushType.Finish);
+
+ if (rc != ZlibConstants.Z_STREAM_END && rc != ZlibConstants.Z_OK)
+ throw new Exception("inflating: " + decompressor.Message);
+
+ if (buffer.Length - decompressor.AvailableBytesOut > 0)
+ ms.Write(buffer, 0, buffer.Length - decompressor.AvailableBytesOut);
+ }
+ while (decompressor.AvailableBytesIn > 0 || decompressor.AvailableBytesOut == 0);
+
+ decompressor.EndInflate();
+ }
+
+
+
+ int bufferSize = 40000;
+ byte[] CompressedBytes = new byte[bufferSize];
+ byte[] DecompressedBytes = new byte[bufferSize];
+
+ ZlibCodec compressor = new ZlibCodec();
+
+ compressor.InitializeDeflate(CompressionLevel.Default);
+
+ compressor.InputBuffer = System.Text.ASCIIEncoding.ASCII.GetBytes(TextToCompress);
+ compressor.NextIn = 0;
+ compressor.AvailableBytesIn = compressor.InputBuffer.Length;
+
+ compressor.OutputBuffer = CompressedBytes;
+ compressor.NextOut = 0;
+ compressor.AvailableBytesOut = CompressedBytes.Length;
+
+ while (compressor.TotalBytesIn != TextToCompress.Length && compressor.TotalBytesOut < bufferSize)
+ {
+ compressor.Deflate(FlushType.None);
+ }
+
+ while (true)
+ {
+ int rc= compressor.Deflate(FlushType.Finish);
+ if (rc == ZlibConstants.Z_STREAM_END) break;
+ }
+
+ compressor.EndDeflate();
+
+
+
+ private void DeflateBuffer(CompressionLevel level)
+ {
+ int bufferSize = 1024;
+ byte[] buffer = new byte[bufferSize];
+ ZlibCodec compressor = new ZlibCodec();
+
+ Console.WriteLine("\n============================================");
+ Console.WriteLine("Size of Buffer to Deflate: {0} bytes.", UncompressedBytes.Length);
+ MemoryStream ms = new MemoryStream();
+
+ int rc = compressor.InitializeDeflate(level);
+
+ compressor.InputBuffer = UncompressedBytes;
+ compressor.NextIn = 0;
+ compressor.AvailableBytesIn = UncompressedBytes.Length;
+
+ compressor.OutputBuffer = buffer;
+
+ // pass 1: deflate
+ do
+ {
+ compressor.NextOut = 0;
+ compressor.AvailableBytesOut = buffer.Length;
+ rc = compressor.Deflate(FlushType.None);
+
+ if (rc != ZlibConstants.Z_OK && rc != ZlibConstants.Z_STREAM_END)
+ throw new Exception("deflating: " + compressor.Message);
+
+ ms.Write(compressor.OutputBuffer, 0, buffer.Length - compressor.AvailableBytesOut);
+ }
+ while (compressor.AvailableBytesIn > 0 || compressor.AvailableBytesOut == 0);
+
+ // pass 2: finish and flush
+ do
+ {
+ compressor.NextOut = 0;
+ compressor.AvailableBytesOut = buffer.Length;
+ rc = compressor.Deflate(FlushType.Finish);
+
+ if (rc != ZlibConstants.Z_STREAM_END && rc != ZlibConstants.Z_OK)
+ throw new Exception("deflating: " + compressor.Message);
+
+ if (buffer.Length - compressor.AvailableBytesOut > 0)
+ ms.Write(buffer, 0, buffer.Length - compressor.AvailableBytesOut);
+ }
+ while (compressor.AvailableBytesIn > 0 || compressor.AvailableBytesOut == 0);
+
+ compressor.EndDeflate();
+
+ ms.Seek(0, SeekOrigin.Begin);
+ CompressedBytes = new byte[compressor.TotalBytesOut];
+ ms.Read(CompressedBytes, 0, CompressedBytes.Length);
+ }
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".zlib"))
+ {
+ using (Stream compressor = new ZlibStream(raw, CompressionMode.Compress))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".zlib")
+ Using compressor As Stream = New ZlibStream(raw, CompressionMode.Compress)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".zlib"))
+ {
+ using (Stream compressor = new ZlibStream(raw,
+ CompressionMode.Compress,
+ CompressionLevel.BestCompression))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".zlib")
+ Using compressor As Stream = New ZlibStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (var output = System.IO.File.Create(fileToCompress + ".zlib"))
+ {
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (Stream compressor = new ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ // can write additional data to the output stream here
+ }
+
+
+ Using output As FileStream = File.Create(fileToCompress & ".zlib")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using compressor As Stream = New ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ ' can write additional data to the output stream here.
+ End Using
+
+ + This is the version using unrolled loops. +
+
+ var fname = "logfile.log.bz2";
+ using (var fs = File.OpenRead(fname))
+ {
+ using (var decompressor = new Ionic.BZip2.BZip2InputStream(fs))
+ {
+ var outFname = fname + ".decompressed";
+ using (var output = File.Create(outFname))
+ {
+ byte[] buffer = new byte[2048];
+ int n;
+ while ((n = decompressor.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ output.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ var fname = "logfile.log";
+ using (var fs = File.OpenRead(fname))
+ {
+ var outFname = fname + ".bz2";
+ using (var output = File.Create(outFname))
+ {
+ using (var compressor = new Ionic.BZip2.BZip2OutputStream(output))
+ {
+ byte[] buffer = new byte[2048];
+ int n;
+ while ((n = fs.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ var fname = "logfile.log";
+ using (var fs = File.OpenRead(fname))
+ {
+ var outFname = fname + ".bz2";
+ using (var output = File.Create(outFname))
+ {
+ using (var compressor = new Ionic.BZip2.ParallelBZip2OutputStream(output))
+ {
+ byte[] buffer = new byte[2048];
+ int n;
+ while ((n = fs.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".deflated"))
+ {
+ using (Stream compressor = new DeflateStream(raw, CompressionMode.Compress))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".deflated")
+ Using compressor As Stream = New DeflateStream(raw, CompressionMode.Compress)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".deflated"))
+ {
+ using (Stream compressor = new DeflateStream(raw,
+ CompressionMode.Compress,
+ CompressionLevel.BestCompression))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n= -1;
+ while (n != 0)
+ {
+ if (n > 0)
+ compressor.Write(buffer, 0, n);
+ n= input.Read(buffer, 0, buffer.Length);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".deflated")
+ Using compressor As Stream = New DeflateStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (var output = System.IO.File.Create(fileToCompress + ".deflated"))
+ {
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (Stream compressor = new DeflateStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n= -1;
+ while (n != 0)
+ {
+ if (n > 0)
+ compressor.Write(buffer, 0, n);
+ n= input.Read(buffer, 0, buffer.Length);
+ }
+ }
+ }
+ // can write additional data to the output stream here
+ }
+
+
+
+ Using output As FileStream = File.Create(fileToCompress & ".deflated")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using compressor As Stream = New DeflateStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ ' can write additional data to the output stream here.
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(outputFile))
+ {
+ using (Stream compressor = new GZipStream(raw, CompressionMode.Compress))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Dim outputFile As String = (fileToCompress & ".compressed")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(outputFile)
+ Using compressor As Stream = New GZipStream(raw, CompressionMode.Compress)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ private void GunZipFile(string filename)
+ {
+ if (!filename.EndsWith(".gz))
+ throw new ArgumentException("filename");
+ var DecompressedFile = filename.Substring(0,filename.Length-3);
+ byte[] working = new byte[WORKING_BUFFER_SIZE];
+ int n= 1;
+ using (System.IO.Stream input = System.IO.File.OpenRead(filename))
+ {
+ using (Stream decompressor= new Ionic.Zlib.GZipStream(input, CompressionMode.Decompress, true))
+ {
+ using (var output = System.IO.File.Create(DecompressedFile))
+ {
+ while (n !=0)
+ {
+ n= decompressor.Read(working, 0, working.Length);
+ if (n > 0)
+ {
+ output.Write(working, 0, n);
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub GunZipFile(ByVal filename as String)
+ If Not (filename.EndsWith(".gz)) Then
+ Throw New ArgumentException("filename")
+ End If
+ Dim DecompressedFile as String = filename.Substring(0,filename.Length-3)
+ Dim working(WORKING_BUFFER_SIZE) as Byte
+ Dim n As Integer = 1
+ Using input As Stream = File.OpenRead(filename)
+ Using decompressor As Stream = new Ionic.Zlib.GZipStream(input, CompressionMode.Decompress, True)
+ Using output As Stream = File.Create(UncompressedFile)
+ Do
+ n= decompressor.Read(working, 0, working.Length)
+ If n > 0 Then
+ output.Write(working, 0, n)
+ End IF
+ Loop While (n > 0)
+ End Using
+ End Using
+ End Using
+ End Sub
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".gz"))
+ {
+ using (Stream compressor = new GZipStream(raw,
+ CompressionMode.Compress,
+ CompressionLevel.BestCompression))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".gz")
+ Using compressor As Stream = New GZipStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(outputFile))
+ {
+ using (Stream compressor = new GZipStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression, true))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Dim outputFile As String = (fileToCompress & ".compressed")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(outputFile)
+ Using compressor As Stream = New GZipStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression, True)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ byte[] working = new byte[WORKING_BUFFER_SIZE];
+ using (System.IO.Stream input = System.IO.File.OpenRead(_CompressedFile))
+ {
+ using (Stream decompressor= new Ionic.Zlib.GZipStream(input, CompressionMode.Decompress, true))
+ {
+ using (var output = System.IO.File.Create(_DecompressedFile))
+ {
+ int n;
+ while ((n= decompressor.Read(working, 0, working.Length)) !=0)
+ {
+ output.Write(working, 0, n);
+ }
+ }
+ }
+ }
+
+
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n= -1;
+ String outputFile = fileToCompress + ".compressed";
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(outputFile))
+ {
+ using (Stream compressor = new ParallelDeflateOutputStream(raw))
+ {
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Dim outputFile As String = (fileToCompress & ".compressed")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(outputFile)
+ Using compressor As Stream = New ParallelDeflateOutputStream(raw)
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ ParallelDeflateOutputStream deflater = null;
+ foreach (var inputFile in listOfFiles)
+ {
+ string outputFile = inputFile + ".compressed";
+ using (System.IO.Stream input = System.IO.File.OpenRead(inputFile))
+ {
+ using (var outStream = System.IO.File.Create(outputFile))
+ {
+ if (deflater == null)
+ deflater = new ParallelDeflateOutputStream(outStream,
+ CompressionLevel.Best,
+ CompressionStrategy.Default,
+ true);
+ deflater.Reset(outStream);
+
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ deflater.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ var adler = Adler.Adler32(0, null, 0, 0);
+ adler = Adler.Adler32(adler, buffer, index, length);
+
+
+ private void InflateBuffer()
+ {
+ int bufferSize = 1024;
+ byte[] buffer = new byte[bufferSize];
+ ZlibCodec decompressor = new ZlibCodec();
+
+ Console.WriteLine("\n============================================");
+ Console.WriteLine("Size of Buffer to Inflate: {0} bytes.", CompressedBytes.Length);
+ MemoryStream ms = new MemoryStream(DecompressedBytes);
+
+ int rc = decompressor.InitializeInflate();
+
+ decompressor.InputBuffer = CompressedBytes;
+ decompressor.NextIn = 0;
+ decompressor.AvailableBytesIn = CompressedBytes.Length;
+
+ decompressor.OutputBuffer = buffer;
+
+ // pass 1: inflate
+ do
+ {
+ decompressor.NextOut = 0;
+ decompressor.AvailableBytesOut = buffer.Length;
+ rc = decompressor.Inflate(FlushType.None);
+
+ if (rc != ZlibConstants.Z_OK && rc != ZlibConstants.Z_STREAM_END)
+ throw new Exception("inflating: " + decompressor.Message);
+
+ ms.Write(decompressor.OutputBuffer, 0, buffer.Length - decompressor.AvailableBytesOut);
+ }
+ while (decompressor.AvailableBytesIn > 0 || decompressor.AvailableBytesOut == 0);
+
+ // pass 2: finish and flush
+ do
+ {
+ decompressor.NextOut = 0;
+ decompressor.AvailableBytesOut = buffer.Length;
+ rc = decompressor.Inflate(FlushType.Finish);
+
+ if (rc != ZlibConstants.Z_STREAM_END && rc != ZlibConstants.Z_OK)
+ throw new Exception("inflating: " + decompressor.Message);
+
+ if (buffer.Length - decompressor.AvailableBytesOut > 0)
+ ms.Write(buffer, 0, buffer.Length - decompressor.AvailableBytesOut);
+ }
+ while (decompressor.AvailableBytesIn > 0 || decompressor.AvailableBytesOut == 0);
+
+ decompressor.EndInflate();
+ }
+
+
+
+ int bufferSize = 40000;
+ byte[] CompressedBytes = new byte[bufferSize];
+ byte[] DecompressedBytes = new byte[bufferSize];
+
+ ZlibCodec compressor = new ZlibCodec();
+
+ compressor.InitializeDeflate(CompressionLevel.Default);
+
+ compressor.InputBuffer = System.Text.ASCIIEncoding.ASCII.GetBytes(TextToCompress);
+ compressor.NextIn = 0;
+ compressor.AvailableBytesIn = compressor.InputBuffer.Length;
+
+ compressor.OutputBuffer = CompressedBytes;
+ compressor.NextOut = 0;
+ compressor.AvailableBytesOut = CompressedBytes.Length;
+
+ while (compressor.TotalBytesIn != TextToCompress.Length && compressor.TotalBytesOut < bufferSize)
+ {
+ compressor.Deflate(FlushType.None);
+ }
+
+ while (true)
+ {
+ int rc= compressor.Deflate(FlushType.Finish);
+ if (rc == ZlibConstants.Z_STREAM_END) break;
+ }
+
+ compressor.EndDeflate();
+
+
+
+ private void DeflateBuffer(CompressionLevel level)
+ {
+ int bufferSize = 1024;
+ byte[] buffer = new byte[bufferSize];
+ ZlibCodec compressor = new ZlibCodec();
+
+ Console.WriteLine("\n============================================");
+ Console.WriteLine("Size of Buffer to Deflate: {0} bytes.", UncompressedBytes.Length);
+ MemoryStream ms = new MemoryStream();
+
+ int rc = compressor.InitializeDeflate(level);
+
+ compressor.InputBuffer = UncompressedBytes;
+ compressor.NextIn = 0;
+ compressor.AvailableBytesIn = UncompressedBytes.Length;
+
+ compressor.OutputBuffer = buffer;
+
+ // pass 1: deflate
+ do
+ {
+ compressor.NextOut = 0;
+ compressor.AvailableBytesOut = buffer.Length;
+ rc = compressor.Deflate(FlushType.None);
+
+ if (rc != ZlibConstants.Z_OK && rc != ZlibConstants.Z_STREAM_END)
+ throw new Exception("deflating: " + compressor.Message);
+
+ ms.Write(compressor.OutputBuffer, 0, buffer.Length - compressor.AvailableBytesOut);
+ }
+ while (compressor.AvailableBytesIn > 0 || compressor.AvailableBytesOut == 0);
+
+ // pass 2: finish and flush
+ do
+ {
+ compressor.NextOut = 0;
+ compressor.AvailableBytesOut = buffer.Length;
+ rc = compressor.Deflate(FlushType.Finish);
+
+ if (rc != ZlibConstants.Z_STREAM_END && rc != ZlibConstants.Z_OK)
+ throw new Exception("deflating: " + compressor.Message);
+
+ if (buffer.Length - compressor.AvailableBytesOut > 0)
+ ms.Write(buffer, 0, buffer.Length - compressor.AvailableBytesOut);
+ }
+ while (compressor.AvailableBytesIn > 0 || compressor.AvailableBytesOut == 0);
+
+ compressor.EndDeflate();
+
+ ms.Seek(0, SeekOrigin.Begin);
+ CompressedBytes = new byte[compressor.TotalBytesOut];
+ ms.Read(CompressedBytes, 0, CompressedBytes.Length);
+ }
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".zlib"))
+ {
+ using (Stream compressor = new ZlibStream(raw, CompressionMode.Compress))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".zlib")
+ Using compressor As Stream = New ZlibStream(raw, CompressionMode.Compress)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (var raw = System.IO.File.Create(fileToCompress + ".zlib"))
+ {
+ using (Stream compressor = new ZlibStream(raw,
+ CompressionMode.Compress,
+ CompressionLevel.BestCompression))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ }
+
+
+
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using raw As FileStream = File.Create(fileToCompress & ".zlib")
+ Using compressor As Stream = New ZlibStream(raw, CompressionMode.Compress, CompressionLevel.BestCompression)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ End Using
+
+
+ using (var output = System.IO.File.Create(fileToCompress + ".zlib"))
+ {
+ using (System.IO.Stream input = System.IO.File.OpenRead(fileToCompress))
+ {
+ using (Stream compressor = new ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, true))
+ {
+ byte[] buffer = new byte[WORKING_BUFFER_SIZE];
+ int n;
+ while ((n= input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ compressor.Write(buffer, 0, n);
+ }
+ }
+ }
+ // can write additional data to the output stream here
+ }
+
+
+ Using output As FileStream = File.Create(fileToCompress & ".zlib")
+ Using input As Stream = File.OpenRead(fileToCompress)
+ Using compressor As Stream = New ZlibStream(output, CompressionMode.Compress, CompressionLevel.BestCompression, True)
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim n As Integer = -1
+ Do While (n <> 0)
+ If (n > 0) Then
+ compressor.Write(buffer, 0, n)
+ End If
+ n = input.Read(buffer, 0, buffer.Length)
+ Loop
+ End Using
+ End Using
+ ' can write additional data to the output stream here.
+ End Using
+
+
+ private void WriteEntry (String filename, Stream output)
+ {
+ DataSet ds1 = ObtainDataSet();
+ ds1.WriteXml(output);
+ }
+
+ private void Run()
+ {
+ using (var zip = new ZipFile())
+ {
+ zip.AddEntry(zipEntryName, WriteEntry);
+ zip.Save(zipFileName);
+ }
+ }
+
+
+
+ Private Sub WriteEntry (ByVal filename As String, ByVal output As Stream)
+ DataSet ds1 = ObtainDataSet()
+ ds1.WriteXml(stream)
+ End Sub
+
+ Public Sub Run()
+ Using zip = New ZipFile
+ zip.AddEntry(zipEntryName, New WriteDelegate(AddressOf WriteEntry))
+ zip.Save(zipFileName)
+ End Using
+ End Sub
+
+
+ var cipher = new ZipCrypto();
+ cipher.InitCipher(Password);
+ // Decrypt the header. This has a side effect of "further initializing the
+ // encryption keys" in the traditional zip encryption.
+ byte[] DecryptedMessage = cipher.DecryptMessage(EncryptedMessage);
+
+
+ Step 1 - Initializing the encryption keys
+ -----------------------------------------
+ Start with these keys:
+ Key(0) := 305419896 (0x12345678)
+ Key(1) := 591751049 (0x23456789)
+ Key(2) := 878082192 (0x34567890)
+
+ Then, initialize the keys with a password:
+
+ loop for i from 0 to length(password)-1
+ update_keys(password(i))
+ end loop
+
+ Where update_keys() is defined as:
+
+ update_keys(char):
+ Key(0) := crc32(key(0),char)
+ Key(1) := Key(1) + (Key(0) bitwiseAND 000000ffH)
+ Key(1) := Key(1) * 134775813 + 1
+ Key(2) := crc32(key(2),key(1) rightshift 24)
+ end update_keys
+
+ Where crc32(old_crc,char) is a routine that given a CRC value and a
+ character, returns an updated CRC value after applying the CRC-32
+ algorithm described elsewhere in this document.
+
+
+
+
+ using (ZipFile zip = new ZipFile(ZipFileToCreate))
+ {
+ ZipEntry e1= zip.AddFile(@"notes\Readme.txt");
+ ZipEntry e2= zip.AddFile(@"music\StopThisTrain.mp3");
+ e2.CompressionMethod = CompressionMethod.None;
+ zip.Save();
+ }
+
+
+
+ Using zip As New ZipFile(ZipFileToCreate)
+ zip.AddFile("notes\Readme.txt")
+ Dim e2 as ZipEntry = zip.AddFile("music\StopThisTrain.mp3")
+ e2.CompressionMethod = CompressionMethod.None
+ zip.Save
+ End Using
+
+
+ // Create a zip archive with AES Encryption.
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("ReadMe.txt")
+ ZipEntry e1= zip.AddFile("2008-Regional-Sales-Report.pdf");
+ e1.Encryption= EncryptionAlgorithm.WinZipAes256;
+ e1.Password= "Top.Secret.No.Peeking!";
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // Extract a zip archive that uses AES Encryption.
+ // You do not need to specify the algorithm during extraction.
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ // Specify the password that is used during extraction, for
+ // all entries that require a password:
+ zip.Password= "Top.Secret.No.Peeking!";
+ zip.ExtractAll("extractDirectory");
+ }
+
+
+
+ ' Create a zip that uses Encryption.
+ Using zip As New ZipFile()
+ zip.AddFile("ReadMe.txt")
+ Dim e1 as ZipEntry
+ e1= zip.AddFile("2008-Regional-Sales-Report.pdf")
+ e1.Encryption= EncryptionAlgorithm.WinZipAes256
+ e1.Password= "Top.Secret.No.Peeking!"
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+ ' Extract a zip archive that uses AES Encryption.
+ ' You do not need to specify the algorithm during extraction.
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ ' Specify the password that is used during extraction, for
+ ' all entries that require a password:
+ zip.Password= "Top.Secret.No.Peeking!"
+ zip.ExtractAll("extractDirectory")
+ End Using
+
+
+
+ // create a file with encryption
+ using (ZipFile zip = new ZipFile())
+ {
+ ZipEntry entry;
+ entry= zip.AddFile("Declaration.txt");
+ entry.Password= "123456!";
+ entry = zip.AddFile("Report.xls");
+ entry.Password= "1Secret!";
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // extract entries that use encryption
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ ZipEntry entry;
+ entry = zip["Declaration.txt"];
+ entry.Password = "123456!";
+ entry.Extract("extractDir");
+ entry = zip["Report.xls"];
+ entry.Password = "1Secret!";
+ entry.Extract("extractDir");
+ }
+
+
+
+
+ Using zip As New ZipFile
+ Dim entry as ZipEntry
+ entry= zip.AddFile("Declaration.txt")
+ entry.Password= "123456!"
+ entry = zip.AddFile("Report.xls")
+ entry.Password= "1Secret!"
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+
+ ' extract entries that use encryption
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ Dim entry as ZipEntry
+ entry = zip("Declaration.txt")
+ entry.Password = "123456!"
+ entry.Extract("extractDir")
+ entry = zip("Report.xls")
+ entry.Password = "1Secret!"
+ entry.Extract("extractDir")
+ End Using
+
+
+
+
+ public static void ExtractProgress(object sender, ExtractProgressEventArgs e)
+ {
+ if (e.EventType == ZipProgressEventType.Extracting_BeforeExtractEntry)
+ Console.WriteLine("extract {0} ", e.CurrentEntry.FileName);
+
+ else if (e.EventType == ZipProgressEventType.Extracting_ExtractEntryWouldOverwrite)
+ {
+ ZipEntry entry = e.CurrentEntry;
+ string response = null;
+ // Ask the user if he wants overwrite the file
+ do
+ {
+ Console.Write("Overwrite {0} in {1} ? (y/n/C) ", entry.FileName, e.ExtractLocation);
+ response = Console.ReadLine();
+ Console.WriteLine();
+
+ } while (response != null && response[0]!='Y' &&
+ response[0]!='N' && response[0]!='C');
+
+ if (response[0]=='C')
+ e.Cancel = true;
+ else if (response[0]=='Y')
+ entry.ExtractExistingFile = ExtractExistingFileAction.OverwriteSilently;
+ else
+ entry.ExtractExistingFile= ExtractExistingFileAction.DoNotOverwrite;
+ }
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.AlternateEnoding = System.Text.Encoding.GetEncoding("ibm861");
+ zip.AlternateEnodingUsage = ZipOption.Always;
+ zip.AddFileS(arrayOfFiles);
+ zip.Save("Myarchive-Encoded-in-IBM861.zip");
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ var e = zip.UpdateFile("Descriptions.mme", "");
+ e.IsText = true;
+ zip.Save(zipPath);
+ }
+
+
+
+ Using zip As New ZipFile
+ Dim e2 as ZipEntry = zip.AddFile("Descriptions.mme", "")
+ e.IsText= True
+ zip.Save(zipPath)
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read("PackedDocuments.zip"))
+ {
+ foreach (string s1 in zip.EntryFilenames)
+ {
+ if (s1.EndsWith(".txt"))
+ {
+ zip[s1].Extract("textfiles");
+ }
+ }
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read("PackedDocuments.zip")
+ Dim s1 As String
+ For Each s1 In zip.EntryFilenames
+ If s1.EndsWith(".txt") Then
+ zip(s1).Extract("textfiles")
+ End If
+ Next
+ End Using
+
+
+ String sZipPath = "Airborne.zip";
+ String sFilePath = "Readme.txt";
+ String sRootFolder = "Digado";
+ using (ZipFile zip = ZipFile.Read(sZipPath))
+ {
+ if (zip.EntryFileNames.Contains(sFilePath))
+ {
+ // use the string indexer on the zip file
+ zip[sFileName].Extract(sRootFolder,
+ ExtractExistingFileAction.OverwriteSilently);
+ }
+ }
+
+
+
+ Dim sZipPath as String = "Airborne.zip"
+ Dim sFilePath As String = "Readme.txt"
+ Dim sRootFolder As String = "Digado"
+ Using zip As ZipFile = ZipFile.Read(sZipPath)
+ If zip.EntryFileNames.Contains(sFilePath)
+ ' use the string indexer on the zip file
+ zip(sFilePath).Extract(sRootFolder, _
+ ExtractExistingFileAction.OverwriteSilently)
+ End If
+ End Using
+
+
+ using (var zip = ZipFile.Read(FilePath))
+ {
+ foreach (ZipEntry e in zip)
+ {
+ if (e.UsesEncryption)
+ e.ExtractWithPassword("Secret!");
+ else
+ e.Extract();
+ }
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read(FilePath)
+ Dim e As ZipEntry
+ For Each e In zip
+ If (e.UsesEncryption)
+ e.ExtractWithPassword("Secret!")
+ Else
+ e.Extract
+ End If
+ Next
+ End Using
+
+
+ using (ZipFile zip = new ZipFile(ZipFileToRead))
+ {
+ ZipEntry e1= zip["Elevation.mp3"];
+ using (Ionic.Zlib.CrcCalculatorStream s = e1.OpenReader())
+ {
+ byte[] buffer = new byte[4096];
+ int n, totalBytesRead= 0;
+ do {
+ n = s.Read(buffer,0, buffer.Length);
+ totalBytesRead+=n;
+ } while (n>0);
+ if (s.Crc32 != e1.Crc32)
+ throw new Exception(string.Format("The Zip Entry failed the CRC Check. (0x{0:X8}!=0x{1:X8})", s.Crc32, e1.Crc32));
+ if (totalBytesRead != e1.UncompressedSize)
+ throw new Exception(string.Format("We read an unexpected number of bytes. ({0}!={1})", totalBytesRead, e1.UncompressedSize));
+ }
+ }
+
+
+ Using zip As New ZipFile(ZipFileToRead)
+ Dim e1 As ZipEntry = zip.Item("Elevation.mp3")
+ Using s As Ionic.Zlib.CrcCalculatorStream = e1.OpenReader
+ Dim n As Integer
+ Dim buffer As Byte() = New Byte(4096) {}
+ Dim totalBytesRead As Integer = 0
+ Do
+ n = s.Read(buffer, 0, buffer.Length)
+ totalBytesRead = (totalBytesRead + n)
+ Loop While (n > 0)
+ If (s.Crc32 <> e1.Crc32) Then
+ Throw New Exception(String.Format("The Zip Entry failed the CRC Check. (0x{0:X8}!=0x{1:X8})", s.Crc32, e1.Crc32))
+ End If
+ If (totalBytesRead <> e1.UncompressedSize) Then
+ Throw New Exception(String.Format("We read an unexpected number of bytes. ({0}!={1})", totalBytesRead, e1.UncompressedSize))
+ End If
+ End Using
+ End Using
+
+
+ String[] itemnames= {
+ "c:\\fixedContent\\Readme.txt",
+ "MyProposal.docx",
+ "c:\\SupportFiles", // a directory
+ "images\\Image1.jpg"
+ };
+
+ try
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ for (int i = 1; i < itemnames.Length; i++)
+ {
+ // will add Files or Dirs, recurses and flattens subdirectories
+ zip.AddItem(itemnames[i],"flat");
+ }
+ zip.Save(ZipToCreate);
+ }
+ }
+ catch (System.Exception ex1)
+ {
+ System.Console.Error.WriteLine("exception: {0}", ex1);
+ }
+
+
+
+ Dim itemnames As String() = _
+ New String() { "c:\fixedContent\Readme.txt", _
+ "MyProposal.docx", _
+ "SupportFiles", _
+ "images\Image1.jpg" }
+ Try
+ Using zip As New ZipFile
+ Dim i As Integer
+ For i = 1 To itemnames.Length - 1
+ ' will add Files or Dirs, recursing and flattening subdirectories.
+ zip.AddItem(itemnames(i), "flat")
+ Next i
+ zip.Save(ZipToCreate)
+ End Using
+ Catch ex1 As Exception
+ Console.Error.WriteLine("exception: {0}", ex1.ToString())
+ End Try
+
+
+ try
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("c:\\photos\\personal\\7440-N49th.png");
+ zip.AddFile("c:\\Desktop\\2008-Regional-Sales-Report.pdf");
+ zip.AddFile("ReadMe.txt");
+
+ zip.Save("Package.zip");
+ }
+ }
+ catch (System.Exception ex1)
+ {
+ System.Console.Error.WriteLine("exception: " + ex1);
+ }
+
+
+
+ Try
+ Using zip As ZipFile = New ZipFile
+ zip.AddFile("c:\photos\personal\7440-N49th.png")
+ zip.AddFile("c:\Desktop\2008-Regional-Sales-Report.pdf")
+ zip.AddFile("ReadMe.txt")
+ zip.Save("Package.zip")
+ End Using
+ Catch ex1 As Exception
+ Console.Error.WriteLine("exception: {0}", ex1.ToString)
+ End Try
+
+
+ try
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ // the following entry will be inserted at the root in the archive.
+ zip.AddFile("c:\\datafiles\\ReadMe.txt", "");
+ // this image file will be inserted into the "images" directory in the archive.
+ zip.AddFile("c:\\photos\\personal\\7440-N49th.png", "images");
+ // the following will result in a password-protected file called
+ // files\\docs\\2008-Regional-Sales-Report.pdf in the archive.
+ zip.Password = "EncryptMe!";
+ zip.AddFile("c:\\Desktop\\2008-Regional-Sales-Report.pdf", "files\\docs");
+ zip.Save("Archive.zip");
+ }
+ }
+ catch (System.Exception ex1)
+ {
+ System.Console.Error.WriteLine("exception: {0}", ex1);
+ }
+
+
+
+ Try
+ Using zip As ZipFile = New ZipFile
+ ' the following entry will be inserted at the root in the archive.
+ zip.AddFile("c:\datafiles\ReadMe.txt", "")
+ ' this image file will be inserted into the "images" directory in the archive.
+ zip.AddFile("c:\photos\personal\7440-N49th.png", "images")
+ ' the following will result in a password-protected file called
+ ' files\\docs\\2008-Regional-Sales-Report.pdf in the archive.
+ zip.Password = "EncryptMe!"
+ zip.AddFile("c:\Desktop\2008-Regional-Sales-Report.pdf", "files\documents")
+ zip.Save("Archive.zip")
+ End Using
+ Catch ex1 As Exception
+ Console.Error.WriteLine("exception: {0}", ex1)
+ End Try
+
+
+ String ZipFileToCreate = "archive1.zip";
+ String DirectoryToZip = "c:\\reports";
+ using (ZipFile zip = new ZipFile())
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames);
+ zip.Save(ZipFileToCreate);
+ }
+
+
+
+ Dim ZipFileToCreate As String = "archive1.zip"
+ Dim DirectoryToZip As String = "c:\reports"
+ Using zip As ZipFile = New ZipFile
+ ' Store all files found in the top level directory, into the zip archive.
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames)
+ zip.Save(ZipFileToCreate)
+ End Using
+
+
+ using (ZipFile zip1 = new ZipFile())
+ {
+ // UpdateFile might more accurately be called "AddOrUpdateFile"
+ zip1.UpdateFile("MyDocuments\\Readme.txt");
+ zip1.UpdateFile("CustomerList.csv");
+ zip1.Comment = "This zip archive has been created.";
+ zip1.Save("Content.zip");
+ }
+
+ using (ZipFile zip2 = ZipFile.Read("Content.zip"))
+ {
+ zip2.UpdateFile("Updates\\Readme.txt");
+ zip2.Comment = "This zip archive has been updated: The Readme.txt file has been changed.";
+ zip2.Save();
+ }
+
+
+
+ Using zip1 As New ZipFile
+ ' UpdateFile might more accurately be called "AddOrUpdateFile"
+ zip1.UpdateFile("MyDocuments\Readme.txt")
+ zip1.UpdateFile("CustomerList.csv")
+ zip1.Comment = "This zip archive has been created."
+ zip1.Save("Content.zip")
+ End Using
+
+ Using zip2 As ZipFile = ZipFile.Read("Content.zip")
+ zip2.UpdateFile("Updates\Readme.txt")
+ zip2.Comment = "This zip archive has been updated: The Readme.txt file has been changed."
+ zip2.Save
+ End Using
+
+
+ string Content = "This string will be the content of the Readme.txt file in the zip archive.";
+ using (ZipFile zip1 = new ZipFile())
+ {
+ zip1.AddFile("MyDocuments\\Resume.doc", "files");
+ zip1.AddEntry("Readme.txt", Content);
+ zip1.Comment = "This zip file was created at " + System.DateTime.Now.ToString("G");
+ zip1.Save("Content.zip");
+ }
+
+
+
+ Public Sub Run()
+ Dim Content As String = "This string will be the content of the Readme.txt file in the zip archive."
+ Using zip1 As ZipFile = New ZipFile
+ zip1.AddEntry("Readme.txt", Content)
+ zip1.AddFile("MyDocuments\Resume.doc", "files")
+ zip1.Comment = ("This zip file was created at " & DateTime.Now.ToString("G"))
+ zip1.Save("Content.zip")
+ End Using
+ End Sub
+
+
+ String zipToCreate = "Content.zip";
+ String fileNameInArchive = "Content-From-Stream.bin";
+ using (System.IO.Stream streamToRead = MyStreamOpener())
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ ZipEntry entry= zip.AddEntry(fileNameInArchive, streamToRead);
+ zip.AddFile("Readme.txt");
+ zip.Save(zipToCreate); // the stream is read implicitly here
+ }
+ }
+
+
+
+ Dim zipToCreate As String = "Content.zip"
+ Dim fileNameInArchive As String = "Content-From-Stream.bin"
+ Using streamToRead as System.IO.Stream = MyStreamOpener()
+ Using zip As ZipFile = New ZipFile()
+ Dim entry as ZipEntry = zip.AddEntry(fileNameInArchive, streamToRead)
+ zip.AddFile("Readme.txt")
+ zip.Save(zipToCreate) '' the stream is read implicitly, here
+ End Using
+ End Using
+
+
+ var c1= new System.Data.SqlClient.SqlConnection(connstring1);
+ var da = new System.Data.SqlClient.SqlDataAdapter()
+ {
+ SelectCommand= new System.Data.SqlClient.SqlCommand(strSelect, c1)
+ };
+
+ DataSet ds1 = new DataSet();
+ da.Fill(ds1, "Invoices");
+
+ using(Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile())
+ {
+ zip.AddEntry(zipEntryName, (name,stream) => ds1.WriteXml(stream) );
+ zip.Save(zipFileName);
+ }
+
+
+ using (var input = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite ))
+ {
+ using(Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile())
+ {
+ zip.AddEntry(zipEntryName, (name,output) =>
+ {
+ byte[] buffer = new byte[BufferSize];
+ int n;
+ while ((n = input.Read(buffer, 0, buffer.Length)) != 0)
+ {
+ // could transform the data here...
+ output.Write(buffer, 0, n);
+ // could update a progress bar here
+ }
+ });
+
+ zip.Save(zipFileName);
+ }
+ }
+
+
+ Private Sub WriteEntry (ByVal name As String, ByVal output As Stream)
+ Using input As FileStream = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
+ Dim n As Integer = -1
+ Dim buffer As Byte() = New Byte(BufferSize){}
+ Do While n <> 0
+ n = input.Read(buffer, 0, buffer.Length)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ End Sub
+
+ Public Sub Run()
+ Using zip = New ZipFile
+ zip.AddEntry(zipEntryName, New WriteDelegate(AddressOf WriteEntry))
+ zip.Save(zipFileName)
+ End Using
+ End Sub
+
+
+ using(Ionic.Zip.ZipFile zip = new Ionic.Zip.ZipFile())
+ {
+ zip.AddEntry(zipEntryName,
+ (name) => File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite ),
+ (name, stream) => stream.Close()
+ );
+
+ zip.Save(zipFileName);
+ }
+
+
+
+
+ Function MyStreamOpener(ByVal entryName As String) As Stream
+ '' This simply opens a file. You probably want to do somethinig
+ '' more involved here: open a stream to read from a database,
+ '' open a stream on an HTTP connection, and so on.
+ Return File.OpenRead(entryName)
+ End Function
+
+ Sub MyStreamCloser(entryName As String, stream As Stream)
+ stream.Close()
+ End Sub
+
+ Public Sub Run()
+ Dim dirToZip As String = "fodder"
+ Dim zipFileToCreate As String = "Archive.zip"
+ Dim opener As OpenDelegate = AddressOf MyStreamOpener
+ Dim closer As CloseDelegate = AddressOf MyStreamCloser
+ Dim numFilestoAdd As Int32 = 4
+ Using zip As ZipFile = New ZipFile
+ Dim i As Integer
+ For i = 0 To numFilesToAdd - 1
+ zip.AddEntry(String.Format("content-{0:000}.txt"), opener, closer)
+ Next i
+ zip.Save(zipFileToCreate)
+ End Using
+ End Sub
+
+
+
+ public void ZipUp(string targetZip, string directory)
+ {
+ using (var zip = new ZipFile())
+ {
+ zip.AddDirectory(directory, System.IO.Path.GetFileName(directory));
+ zip.Save(targetZip);
+ }
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.FullScan = true;
+ zip.Initialize(zipFileName);
+ zip.Save(newName);
+ }
+
+
+
+ Using zip As New ZipFile
+ zip.FullScan = True
+ zip.Initialize(zipFileName)
+ zip.Save(newName)
+ End Using
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.AddFiles(filesToAdd);
+ zip.SortEntriesBeforeSaving = true;
+ zip.Save(name);
+ }
+
+
+
+ Using zip As New ZipFile
+ zip.AddFiles(filesToAdd)
+ zip.SortEntriesBeforeSaving = True
+ zip.Save(name)
+ End Using
+
+
+ using (var zip = new ZipFile())
+ {
+ zip.AddDirectoryWillTraverseReparsePoints = false;
+ zip.AddDirectory(dirToZip,"fodder");
+ zip.Save(zipFileToCreate);
+ }
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.SaveProgress += this.zip1_SaveProgress;
+ zip.AddDirectory(directoryToZip, "");
+ zip.UseZip64WhenSaving = Zip64Option.Always;
+ zip.BufferSize = 65536*8; // 65536 * 8 = 512k
+ zip.Save(ZipFileToCreate);
+ }
+
+
+ using (var zip = new ZipFile())
+ {
+ // produce a zip file the Mac will like
+ zip.EmitTimesInWindowsFormatWhenSaving = false;
+ zip.EmitTimesInUnixFormatWhenSaving = true;
+ zip.AddDirectory(directoryToZip, "files");
+ zip.Save(outputFile);
+ }
+
+
+
+ Using zip As New ZipFile
+ '' produce a zip file the Mac will like
+ zip.EmitTimesInWindowsFormatWhenSaving = False
+ zip.EmitTimesInUnixFormatWhenSaving = True
+ zip.AddDirectory(directoryToZip, "files")
+ zip.Save(outputFile)
+ End Using
+
+
+ using (var zip = ZipFile.Read(zipFileName, System.Text.Encoding.GetEncoding("big5")))
+ {
+ // retrieve and extract an entry using a name encoded with CP950
+ zip[MyDesiredEntry].Extract("unpack");
+ }
+
+
+
+ Using zip As ZipFile = ZipFile.Read(ZipToExtract, System.Text.Encoding.GetEncoding("big5"))
+ ' retrieve and extract an entry using a name encoded with CP950
+ zip(MyDesiredEntry).Extract("unpack")
+ End Using
+
+
+ using (ZipFile zip= ZipFile.Read(FilePath))
+ {
+ zip.StatusMessageTextWriter= System.Console.Out;
+ // messages are sent to the console during extraction
+ zip.ExtractAll();
+ }
+
+
+
+ Using zip As ZipFile = ZipFile.Read(FilePath)
+ zip.StatusMessageTextWriter= System.Console.Out
+ 'Status Messages will be sent to the console during extraction
+ zip.ExtractAll()
+ End Using
+
+
+
+ var sw = new System.IO.StringWriter();
+ using (ZipFile zip= ZipFile.Read(FilePath))
+ {
+ zip.StatusMessageTextWriter= sw;
+ zip.ExtractAll();
+ }
+ Console.WriteLine("{0}", sw.ToString());
+
+
+
+ Dim sw as New System.IO.StringWriter
+ Using zip As ZipFile = ZipFile.Read(FilePath)
+ zip.StatusMessageTextWriter= sw
+ zip.ExtractAll()
+ End Using
+ 'Status Messages are now available in sw
+
+
+
+ // create a file with encryption
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("ReadMe.txt");
+ zip.Password= "!Secret1";
+ zip.AddFile("MapToTheSite-7440-N49th.png");
+ zip.AddFile("2008-Regional-Sales-Report.pdf");
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // extract entries that use encryption
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ zip.Password= "!Secret1";
+ zip.ExtractAll("extractDir");
+ }
+
+
+
+
+ Using zip As New ZipFile
+ zip.AddFile("ReadMe.txt")
+ zip.Password = "123456!"
+ zip.AddFile("MapToTheSite-7440-N49th.png")
+ zip.Password= "!Secret1";
+ zip.AddFile("2008-Regional-Sales-Report.pdf")
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+
+ ' extract entries that use encryption
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ zip.Password= "!Secret1"
+ zip.ExtractAll("extractDir")
+ End Using
+
+
+
+
+ Public Sub SaveZipFile()
+ Dim SourceFolder As String = "fodder"
+ Dim DestFile As String = "eHandler.zip"
+ Dim sw as New StringWriter
+ Using zipArchive As ZipFile = New ZipFile
+ ' Tell DotNetZip to skip any files for which it encounters an error
+ zipArchive.ZipErrorAction = ZipErrorAction.Skip
+ zipArchive.StatusMessageTextWriter = sw
+ zipArchive.AddDirectory(SourceFolder)
+ zipArchive.Save(DestFile)
+ End Using
+ ' examine sw here to see any messages
+ End Sub
+
+
+
+ // Create a zip archive with AES Encryption.
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddFile("ReadMe.txt");
+ zip.Encryption= EncryptionAlgorithm.WinZipAes256;
+ zip.Password= "Top.Secret.No.Peeking!";
+ zip.AddFile("7440-N49th.png");
+ zip.AddFile("2008-Regional-Sales-Report.pdf");
+ zip.Save("EncryptedArchive.zip");
+ }
+
+ // Extract a zip archive that uses AES Encryption.
+ // You do not need to specify the algorithm during extraction.
+ using (ZipFile zip = ZipFile.Read("EncryptedArchive.zip"))
+ {
+ zip.Password= "Top.Secret.No.Peeking!";
+ zip.ExtractAll("extractDirectory");
+ }
+
+
+
+ ' Create a zip that uses Encryption.
+ Using zip As New ZipFile()
+ zip.Encryption= EncryptionAlgorithm.WinZipAes256
+ zip.Password= "Top.Secret.No.Peeking!"
+ zip.AddFile("ReadMe.txt")
+ zip.AddFile("7440-N49th.png")
+ zip.AddFile("2008-Regional-Sales-Report.pdf")
+ zip.Save("EncryptedArchive.zip")
+ End Using
+
+ ' Extract a zip archive that uses AES Encryption.
+ ' You do not need to specify the algorithm during extraction.
+ Using (zip as ZipFile = ZipFile.Read("EncryptedArchive.zip"))
+ zip.Password= "Top.Secret.No.Peeking!"
+ zip.ExtractAll("extractDirectory")
+ End Using
+
+
+
+ String ZipFileToCreate = "archive1.zip";
+ String DirectoryToZip = "c:\\reports";
+ using (ZipFile zip = new ZipFile())
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames, "files");
+ zip.Save(ZipFileToCreate);
+ }
+
+
+
+ Dim ZipFileToCreate As String = "archive1.zip"
+ Dim DirectoryToZip As String = "c:\reports"
+ Using zip As ZipFile = New ZipFile()
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames, "files")
+ zip.Save(ZipFileToCreate)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ // note: this code does not recurse subdirectories!
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames, "files");
+ zip.Save("Backup.zip");
+ }
+
+
+
+ Using zip As New ZipFile
+ ' Store all files found in the top level directory, into the zip archive.
+ ' note: this code does not recurse subdirectories!
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames, "files")
+ zip.Save("Backup.zip")
+ End Using
+
+
+ using (ZipFile zip = new ZipFile("Backup.zip", Console.Out))
+ {
+ // Store all files found in the top level directory, into the zip archive.
+ // note: this code does not recurse subdirectories!
+ // Status messages will be written to Console.Out
+ String[] filenames = System.IO.Directory.GetFiles(DirectoryToZip);
+ zip.AddFiles(filenames);
+ zip.Save();
+ }
+
+
+
+ Using zip As New ZipFile("Backup.zip", Console.Out)
+ ' Store all files found in the top level directory, into the zip archive.
+ ' note: this code does not recurse subdirectories!
+ ' Status messages will be written to Console.Out
+ Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
+ zip.AddFiles(filenames)
+ zip.Save()
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read("PackedDocuments.zip"))
+ {
+ foreach (string s1 in zip.EntryFilenames)
+ {
+ if (s1.EndsWith(".txt"))
+ zip[s1].Extract("textfiles");
+ }
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read("PackedDocuments.zip")
+ Dim s1 As String
+ For Each s1 In zip.EntryFilenames
+ If s1.EndsWith(".txt") Then
+ zip(s1).Extract("textfiles")
+ End If
+ Next
+ End Using
+
+
+ String zipFileToRead= "PackedDocuments.zip";
+ string candidate = "DatedMaterial.xps";
+ using (ZipFile zip = new ZipFile(zipFileToRead))
+ {
+ if (zip.EntryFilenames.Contains(candidate))
+ Console.WriteLine("The file '{0}' exists in the zip archive '{1}'",
+ candidate,
+ zipFileName);
+ else
+ Console.WriteLine("The file, '{0}', does not exist in the zip archive '{1}'",
+ candidate,
+ zipFileName);
+ Console.WriteLine();
+ }
+
+
+ Dim zipFileToRead As String = "PackedDocuments.zip"
+ Dim candidate As String = "DatedMaterial.xps"
+ Using zip As ZipFile.Read(ZipFileToRead)
+ If zip.EntryFilenames.Contains(candidate) Then
+ Console.WriteLine("The file '{0}' exists in the zip archive '{1}'", _
+ candidate, _
+ zipFileName)
+ Else
+ Console.WriteLine("The file, '{0}', does not exist in the zip archive '{1}'", _
+ candidate, _
+ zipFileName)
+ End If
+ Console.WriteLine
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read(zipFile))
+ {
+ foreach (ZipEntry entry in zip.EntriesSorted)
+ {
+ ListViewItem item = new ListViewItem(n.ToString());
+ n++;
+ string[] subitems = new string[] {
+ entry.FileName.Replace("/","\\"),
+ entry.LastModified.ToString("yyyy-MM-dd HH:mm:ss"),
+ entry.UncompressedSize.ToString(),
+ String.Format("{0,5:F0}%", entry.CompressionRatio),
+ entry.CompressedSize.ToString(),
+ (entry.UsesEncryption) ? "Y" : "N",
+ String.Format("{0:X8}", entry.Crc)};
+
+ foreach (String s in subitems)
+ {
+ ListViewItem.ListViewSubItem subitem = new ListViewItem.ListViewSubItem();
+ subitem.Text = s;
+ item.SubItems.Add(subitem);
+ }
+
+ this.listView1.Items.Add(item);
+ }
+ }
+
+
+ String ZipFileToRead = "ArchiveToModify.zip";
+ System.DateTime Threshold = new System.DateTime(2007,12,31);
+ using (ZipFile zip = ZipFile.Read(ZipFileToRead))
+ {
+ var EntriesToRemove = new System.Collections.Generic.List<ZipEntry>();
+ foreach (ZipEntry e in zip)
+ {
+ if (e.LastModified < Threshold)
+ {
+ // We cannot remove the entry from the list, within the context of
+ // an enumeration of said list.
+ // So we add the doomed entry to a list to be removed later.
+ EntriesToRemove.Add(e);
+ }
+ }
+
+ // actually remove the doomed entries.
+ foreach (ZipEntry zombie in EntriesToRemove)
+ zip.RemoveEntry(zombie);
+
+ zip.Comment= String.Format("This zip archive was updated at {0}.",
+ System.DateTime.Now.ToString("G"));
+
+ // save with a different name
+ zip.Save("Archive-Updated.zip");
+ }
+
+
+
+ Dim ZipFileToRead As String = "ArchiveToModify.zip"
+ Dim Threshold As New DateTime(2007, 12, 31)
+ Using zip As ZipFile = ZipFile.Read(ZipFileToRead)
+ Dim EntriesToRemove As New System.Collections.Generic.List(Of ZipEntry)
+ Dim e As ZipEntry
+ For Each e In zip
+ If (e.LastModified < Threshold) Then
+ ' We cannot remove the entry from the list, within the context of
+ ' an enumeration of said list.
+ ' So we add the doomed entry to a list to be removed later.
+ EntriesToRemove.Add(e)
+ End If
+ Next
+
+ ' actually remove the doomed entries.
+ Dim zombie As ZipEntry
+ For Each zombie In EntriesToRemove
+ zip.RemoveEntry(zombie)
+ Next
+ zip.Comment = String.Format("This zip archive was updated at {0}.", DateTime.Now.ToString("G"))
+ 'save as a different name
+ zip.Save("Archive-Updated.zip")
+ End Using
+
+
+ String zipFileToRead= "PackedDocuments.zip";
+ string candidate = "DatedMaterial.xps";
+ using (ZipFile zip = ZipFile.Read(zipFileToRead))
+ {
+ if (zip.EntryFilenames.Contains(candidate))
+ {
+ zip.RemoveEntry(candidate);
+ zip.Comment= String.Format("The file '{0}' has been removed from this archive.",
+ Candidate);
+ zip.Save();
+ }
+ }
+
+
+ Dim zipFileToRead As String = "PackedDocuments.zip"
+ Dim candidate As String = "DatedMaterial.xps"
+ Using zip As ZipFile = ZipFile.Read(zipFileToRead)
+ If zip.EntryFilenames.Contains(candidate) Then
+ zip.RemoveEntry(candidate)
+ zip.Comment = String.Format("The file '{0}' has been removed from this archive.", Candidate)
+ zip.Save
+ End If
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read(zipfile))
+ {
+ foreach (ZipEntry e in zip)
+ {
+ if (WantThisEntry(e.FileName))
+ zip.Extract(e.FileName, Console.OpenStandardOutput());
+ }
+ } // Dispose() is called implicitly here.
+
+
+
+ Using zip As ZipFile = ZipFile.Read(zipfile)
+ Dim e As ZipEntry
+ For Each e In zip
+ If WantThisEntry(e.FileName) Then
+ zip.Extract(e.FileName, Console.OpenStandardOutput())
+ End If
+ Next
+ End Using ' Dispose is implicity called here
+
+
+ progressBar1.Value = 0;
+ progressBar1.Max = listbox1.Items.Count;
+ using (ZipFile zip = new ZipFile())
+ {
+ // listbox1 contains a list of filenames
+ zip.AddFiles(listbox1.Items);
+
+ // do the progress bar:
+ zip.SaveProgress += (sender, e) => {
+ if (e.EventType == ZipProgressEventType.Saving_BeforeWriteEntry) {
+ progressBar1.PerformStep();
+ }
+ };
+
+ zip.Save(fs);
+ }
+
+
+ static bool justHadByteUpdate= false;
+ public static void SaveProgress(object sender, SaveProgressEventArgs e)
+ {
+ if (e.EventType == ZipProgressEventType.Saving_Started)
+ Console.WriteLine("Saving: {0}", e.ArchiveName);
+
+ else if (e.EventType == ZipProgressEventType.Saving_Completed)
+ {
+ justHadByteUpdate= false;
+ Console.WriteLine();
+ Console.WriteLine("Done: {0}", e.ArchiveName);
+ }
+
+ else if (e.EventType == ZipProgressEventType.Saving_BeforeWriteEntry)
+ {
+ if (justHadByteUpdate)
+ Console.WriteLine();
+ Console.WriteLine(" Writing: {0} ({1}/{2})",
+ e.CurrentEntry.FileName, e.EntriesSaved, e.EntriesTotal);
+ justHadByteUpdate= false;
+ }
+
+ else if (e.EventType == ZipProgressEventType.Saving_EntryBytesRead)
+ {
+ if (justHadByteUpdate)
+ Console.SetCursorPosition(0, Console.CursorTop);
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, e.TotalBytesToTransfer,
+ e.BytesTransferred / (0.01 * e.TotalBytesToTransfer ));
+ justHadByteUpdate= true;
+ }
+ }
+
+ public static ZipUp(string targetZip, string directory)
+ {
+ using (var zip = new ZipFile()) {
+ zip.SaveProgress += SaveProgress;
+ zip.AddDirectory(directory);
+ zip.Save(targetZip);
+ }
+ }
+
+
+
+
+ Public Sub ZipUp(ByVal targetZip As String, ByVal directory As String)
+ Using zip As ZipFile = New ZipFile
+ AddHandler zip.SaveProgress, AddressOf MySaveProgress
+ zip.AddDirectory(directory)
+ zip.Save(targetZip)
+ End Using
+ End Sub
+
+ Private Shared justHadByteUpdate As Boolean = False
+
+ Public Shared Sub MySaveProgress(ByVal sender As Object, ByVal e As SaveProgressEventArgs)
+ If (e.EventType Is ZipProgressEventType.Saving_Started) Then
+ Console.WriteLine("Saving: {0}", e.ArchiveName)
+
+ ElseIf (e.EventType Is ZipProgressEventType.Saving_Completed) Then
+ justHadByteUpdate = False
+ Console.WriteLine
+ Console.WriteLine("Done: {0}", e.ArchiveName)
+
+ ElseIf (e.EventType Is ZipProgressEventType.Saving_BeforeWriteEntry) Then
+ If justHadByteUpdate Then
+ Console.WriteLine
+ End If
+ Console.WriteLine(" Writing: {0} ({1}/{2})", e.CurrentEntry.FileName, e.EntriesSaved, e.EntriesTotal)
+ justHadByteUpdate = False
+
+ ElseIf (e.EventType Is ZipProgressEventType.Saving_EntryBytesRead) Then
+ If justHadByteUpdate Then
+ Console.SetCursorPosition(0, Console.CursorTop)
+ End If
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, _
+ e.TotalBytesToTransfer, _
+ (CDbl(e.BytesTransferred) / (0.01 * e.TotalBytesToTransfer)))
+ justHadByteUpdate = True
+ End If
+ End Sub
+
+
+ delegate void SaveEntryProgress(SaveProgressEventArgs e);
+ delegate void ButtonClick(object sender, EventArgs e);
+
+ public class WorkerOptions
+ {
+ public string ZipName;
+ public string Folder;
+ public string Encoding;
+ public string Comment;
+ public int ZipFlavor;
+ public Zip64Option Zip64;
+ }
+
+ private int _progress2MaxFactor;
+ private bool _saveCanceled;
+ private long _totalBytesBeforeCompress;
+ private long _totalBytesAfterCompress;
+ private Thread _workerThread;
+
+
+ private void btnZipup_Click(object sender, EventArgs e)
+ {
+ KickoffZipup();
+ }
+
+ private void btnCancel_Click(object sender, EventArgs e)
+ {
+ if (this.lblStatus.InvokeRequired)
+ {
+ this.lblStatus.Invoke(new ButtonClick(this.btnCancel_Click), new object[] { sender, e });
+ }
+ else
+ {
+ _saveCanceled = true;
+ lblStatus.Text = "Canceled...";
+ ResetState();
+ }
+ }
+
+ private void KickoffZipup()
+ {
+ _folderName = tbDirName.Text;
+
+ if (_folderName == null || _folderName == "") return;
+ if (this.tbZipName.Text == null || this.tbZipName.Text == "") return;
+
+ // check for existence of the zip file:
+ if (System.IO.File.Exists(this.tbZipName.Text))
+ {
+ var dlgResult = MessageBox.Show(String.Format("The file you have specified ({0}) already exists." +
+ " Do you want to overwrite this file?", this.tbZipName.Text),
+ "Confirmation is Required", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+ if (dlgResult != DialogResult.Yes) return;
+ System.IO.File.Delete(this.tbZipName.Text);
+ }
+
+ _saveCanceled = false;
+ _nFilesCompleted = 0;
+ _totalBytesAfterCompress = 0;
+ _totalBytesBeforeCompress = 0;
+ this.btnOk.Enabled = false;
+ this.btnOk.Text = "Zipping...";
+ this.btnCancel.Enabled = true;
+ lblStatus.Text = "Zipping...";
+
+ var options = new WorkerOptions
+ {
+ ZipName = this.tbZipName.Text,
+ Folder = _folderName,
+ Encoding = "ibm437"
+ };
+
+ if (this.comboBox1.SelectedIndex != 0)
+ {
+ options.Encoding = this.comboBox1.SelectedItem.ToString();
+ }
+
+ if (this.radioFlavorSfxCmd.Checked)
+ options.ZipFlavor = 2;
+ else if (this.radioFlavorSfxGui.Checked)
+ options.ZipFlavor = 1;
+ else options.ZipFlavor = 0;
+
+ if (this.radioZip64AsNecessary.Checked)
+ options.Zip64 = Zip64Option.AsNecessary;
+ else if (this.radioZip64Always.Checked)
+ options.Zip64 = Zip64Option.Always;
+ else options.Zip64 = Zip64Option.Never;
+
+ options.Comment = String.Format("Encoding:{0} || Flavor:{1} || ZIP64:{2}\r\nCreated at {3} || {4}\r\n",
+ options.Encoding,
+ FlavorToString(options.ZipFlavor),
+ options.Zip64.ToString(),
+ System.DateTime.Now.ToString("yyyy-MMM-dd HH:mm:ss"),
+ this.Text);
+
+ if (this.tbComment.Text != TB_COMMENT_NOTE)
+ options.Comment += this.tbComment.Text;
+
+ _workerThread = new Thread(this.DoSave);
+ _workerThread.Name = "Zip Saver thread";
+ _workerThread.Start(options);
+ this.Cursor = Cursors.WaitCursor;
+ }
+
+
+ private void DoSave(Object p)
+ {
+ WorkerOptions options = p as WorkerOptions;
+ try
+ {
+ using (var zip1 = new ZipFile())
+ {
+ zip1.ProvisionalAlternateEncoding = System.Text.Encoding.GetEncoding(options.Encoding);
+ zip1.Comment = options.Comment;
+ zip1.AddDirectory(options.Folder);
+ _entriesToZip = zip1.EntryFileNames.Count;
+ SetProgressBars();
+ zip1.SaveProgress += this.zip1_SaveProgress;
+
+ zip1.UseZip64WhenSaving = options.Zip64;
+
+ if (options.ZipFlavor == 1)
+ zip1.SaveSelfExtractor(options.ZipName, SelfExtractorFlavor.WinFormsApplication);
+ else if (options.ZipFlavor == 2)
+ zip1.SaveSelfExtractor(options.ZipName, SelfExtractorFlavor.ConsoleApplication);
+ else
+ zip1.Save(options.ZipName);
+ }
+ }
+ catch (System.Exception exc1)
+ {
+ MessageBox.Show(String.Format("Exception while zipping: {0}", exc1.Message));
+ btnCancel_Click(null, null);
+ }
+ }
+
+
+
+ void zip1_SaveProgress(object sender, SaveProgressEventArgs e)
+ {
+ switch (e.EventType)
+ {
+ case ZipProgressEventType.Saving_AfterWriteEntry:
+ StepArchiveProgress(e);
+ break;
+ case ZipProgressEventType.Saving_EntryBytesRead:
+ StepEntryProgress(e);
+ break;
+ case ZipProgressEventType.Saving_Completed:
+ SaveCompleted();
+ break;
+ case ZipProgressEventType.Saving_AfterSaveTempArchive:
+ // this event only occurs when saving an SFX file
+ TempArchiveSaved();
+ break;
+ }
+ if (_saveCanceled)
+ e.Cancel = true;
+ }
+
+
+
+ private void StepArchiveProgress(SaveProgressEventArgs e)
+ {
+ if (this.progressBar1.InvokeRequired)
+ {
+ this.progressBar1.Invoke(new SaveEntryProgress(this.StepArchiveProgress), new object[] { e });
+ }
+ else
+ {
+ if (!_saveCanceled)
+ {
+ _nFilesCompleted++;
+ this.progressBar1.PerformStep();
+ _totalBytesAfterCompress += e.CurrentEntry.CompressedSize;
+ _totalBytesBeforeCompress += e.CurrentEntry.UncompressedSize;
+
+ // reset the progress bar for the entry:
+ this.progressBar2.Value = this.progressBar2.Maximum = 1;
+
+ this.Update();
+ }
+ }
+ }
+
+
+ private void StepEntryProgress(SaveProgressEventArgs e)
+ {
+ if (this.progressBar2.InvokeRequired)
+ {
+ this.progressBar2.Invoke(new SaveEntryProgress(this.StepEntryProgress), new object[] { e });
+ }
+ else
+ {
+ if (!_saveCanceled)
+ {
+ if (this.progressBar2.Maximum == 1)
+ {
+ // reset
+ Int64 max = e.TotalBytesToTransfer;
+ _progress2MaxFactor = 0;
+ while (max > System.Int32.MaxValue)
+ {
+ max /= 2;
+ _progress2MaxFactor++;
+ }
+ this.progressBar2.Maximum = (int)max;
+ lblStatus.Text = String.Format("{0} of {1} files...({2})",
+ _nFilesCompleted + 1, _entriesToZip, e.CurrentEntry.FileName);
+ }
+
+ int xferred = e.BytesTransferred >> _progress2MaxFactor;
+
+ this.progressBar2.Value = (xferred >= this.progressBar2.Maximum)
+ ? this.progressBar2.Maximum
+ : xferred;
+
+ this.Update();
+ }
+ }
+ }
+
+ private void SaveCompleted()
+ {
+ if (this.lblStatus.InvokeRequired)
+ {
+ this.lblStatus.Invoke(new MethodInvoker(this.SaveCompleted));
+ }
+ else
+ {
+ lblStatus.Text = String.Format("Done, Compressed {0} files, {1:N0}% of original.",
+ _nFilesCompleted, (100.00 * _totalBytesAfterCompress) / _totalBytesBeforeCompress);
+ ResetState();
+ }
+ }
+
+ private void ResetState()
+ {
+ this.btnCancel.Enabled = false;
+ this.btnOk.Enabled = true;
+ this.btnOk.Text = "Zip it!";
+ this.progressBar1.Value = 0;
+ this.progressBar2.Value = 0;
+ this.Cursor = Cursors.Default;
+ if (!_workerThread.IsAlive)
+ _workerThread.Join();
+ }
+
+
+
+ private static bool justHadByteUpdate = false;
+ public static void ExtractProgress(object sender, ExtractProgressEventArgs e)
+ {
+ if(e.EventType == ZipProgressEventType.Extracting_EntryBytesWritten)
+ {
+ if (justHadByteUpdate)
+ Console.SetCursorPosition(0, Console.CursorTop);
+
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, e.TotalBytesToTransfer,
+ e.BytesTransferred / (0.01 * e.TotalBytesToTransfer ));
+ justHadByteUpdate = true;
+ }
+ else if(e.EventType == ZipProgressEventType.Extracting_BeforeExtractEntry)
+ {
+ if (justHadByteUpdate)
+ Console.WriteLine();
+ Console.WriteLine("Extracting: {0}", e.CurrentEntry.FileName);
+ justHadByteUpdate= false;
+ }
+ }
+
+ public static ExtractZip(string zipToExtract, string directory)
+ {
+ string TargetDirectory= "extract";
+ using (var zip = ZipFile.Read(zipToExtract)) {
+ zip.ExtractProgress += ExtractProgress;
+ foreach (var e in zip1)
+ {
+ e.Extract(TargetDirectory, true);
+ }
+ }
+ }
+
+
+
+ Public Shared Sub Main(ByVal args As String())
+ Dim ZipToUnpack As String = "C1P3SML.zip"
+ Dim TargetDir As String = "ExtractTest_Extract"
+ Console.WriteLine("Extracting file {0} to {1}", ZipToUnpack, TargetDir)
+ Using zip1 As ZipFile = ZipFile.Read(ZipToUnpack)
+ AddHandler zip1.ExtractProgress, AddressOf MyExtractProgress
+ Dim e As ZipEntry
+ For Each e In zip1
+ e.Extract(TargetDir, True)
+ Next
+ End Using
+ End Sub
+
+ Private Shared justHadByteUpdate As Boolean = False
+
+ Public Shared Sub MyExtractProgress(ByVal sender As Object, ByVal e As ExtractProgressEventArgs)
+ If (e.EventType = ZipProgressEventType.Extracting_EntryBytesWritten) Then
+ If ExtractTest.justHadByteUpdate Then
+ Console.SetCursorPosition(0, Console.CursorTop)
+ End If
+ Console.Write(" {0}/{1} ({2:N0}%)", e.BytesTransferred, e.TotalBytesToTransfer, (CDbl(e.BytesTransferred) / (0.01 * e.TotalBytesToTransfer)))
+ ExtractTest.justHadByteUpdate = True
+ ElseIf (e.EventType = ZipProgressEventType.Extracting_BeforeExtractEntry) Then
+ If ExtractTest.justHadByteUpdate Then
+ Console.WriteLine
+ End If
+ Console.WriteLine("Extracting: {0}", e.CurrentEntry.FileName)
+ ExtractTest.justHadByteUpdate = False
+ End If
+ End Sub
+
+
+
+ int _numEntriesToAdd= 0;
+ int _numEntriesAdded= 0;
+ void AddProgressHandler(object sender, AddProgressEventArgs e)
+ {
+ switch (e.EventType)
+ {
+ case ZipProgressEventType.Adding_Started:
+ Console.WriteLine("Adding files to the zip...");
+ break;
+ case ZipProgressEventType.Adding_AfterAddEntry:
+ _numEntriesAdded++;
+ Console.WriteLine(String.Format("Adding file {0}/{1} :: {2}",
+ _numEntriesAdded, _numEntriesToAdd, e.CurrentEntry.FileName));
+ break;
+ case ZipProgressEventType.Adding_Completed:
+ Console.WriteLine("Added all files");
+ break;
+ }
+ }
+
+ void CreateTheZip()
+ {
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddProgress += AddProgressHandler;
+ zip.AddDirectory(System.IO.Path.GetFileName(DirToZip));
+ zip.Save(ZipFileToCreate);
+ }
+ }
+
+
+
+
+
+ Private Sub AddProgressHandler(ByVal sender As Object, ByVal e As AddProgressEventArgs)
+ Select Case e.EventType
+ Case ZipProgressEventType.Adding_Started
+ Console.WriteLine("Adding files to the zip...")
+ Exit Select
+ Case ZipProgressEventType.Adding_AfterAddEntry
+ Console.WriteLine(String.Format("Adding file {0}", e.CurrentEntry.FileName))
+ Exit Select
+ Case ZipProgressEventType.Adding_Completed
+ Console.WriteLine("Added all files")
+ Exit Select
+ End Select
+ End Sub
+
+ Sub CreateTheZip()
+ Using zip as ZipFile = New ZipFile
+ AddHandler zip.AddProgress, AddressOf AddProgressHandler
+ zip.AddDirectory(System.IO.Path.GetFileName(DirToZip))
+ zip.Save(ZipFileToCreate);
+ End Using
+ End Sub
+
+
+
+
+
+ public static void MyZipError(object sender, ZipErrorEventArgs e)
+ {
+ Console.WriteLine("Error saving {0}...", e.FileName);
+ Console.WriteLine(" Exception: {0}", e.exception);
+ ZipEntry entry = e.CurrentEntry;
+ string response = null;
+ // Ask the user whether he wants to skip this error or not
+ do
+ {
+ Console.Write("Retry, Skip, Throw, or Cancel ? (R/S/T/C) ");
+ response = Console.ReadLine();
+ Console.WriteLine();
+
+ } while (response != null &&
+ response[0]!='S' && response[0]!='s' &&
+ response[0]!='R' && response[0]!='r' &&
+ response[0]!='T' && response[0]!='t' &&
+ response[0]!='C' && response[0]!='c');
+
+ e.Cancel = (response[0]=='C' || response[0]=='c');
+
+ if (response[0]=='S' || response[0]=='s')
+ entry.ZipErrorAction = ZipErrorAction.Skip;
+ else if (response[0]=='R' || response[0]=='r')
+ entry.ZipErrorAction = ZipErrorAction.Retry;
+ else if (response[0]=='T' || response[0]=='t')
+ entry.ZipErrorAction = ZipErrorAction.Throw;
+ }
+
+ public void SaveTheFile()
+ {
+ string directoryToZip = "fodder";
+ string directoryInArchive = "files";
+ string zipFileToCreate = "Archive.zip";
+ using (var zip = new ZipFile())
+ {
+ // set the event handler before adding any entries
+ zip.ZipError += MyZipError;
+ zip.AddDirectory(directoryToZip, directoryInArchive);
+ zip.Save(zipFileToCreate);
+ }
+ }
+
+
+
+ Private Sub MyZipError(ByVal sender As Object, ByVal e As Ionic.Zip.ZipErrorEventArgs)
+ ' At this point, the application could prompt the user for an action to take.
+ ' But in this case, this application will simply automatically skip the file, in case of error.
+ Console.WriteLine("Zip Error, entry {0}", e.CurrentEntry.FileName)
+ Console.WriteLine(" Exception: {0}", e.exception)
+ ' set the desired ZipErrorAction on the CurrentEntry to communicate that to DotNetZip
+ e.CurrentEntry.ZipErrorAction = Zip.ZipErrorAction.Skip
+ End Sub
+
+ Public Sub SaveTheFile()
+ Dim directoryToZip As String = "fodder"
+ Dim directoryInArchive As String = "files"
+ Dim zipFileToCreate as String = "Archive.zip"
+ Using zipArchive As ZipFile = New ZipFile
+ ' set the event handler before adding any entries
+ AddHandler zipArchive.ZipError, AddressOf MyZipError
+ zipArchive.AddDirectory(directoryToZip, directoryInArchive)
+ zipArchive.Save(zipFileToCreate)
+ End Using
+ End Sub
+
+
+
+ String TargetDirectory= "unpack";
+ using(ZipFile zip= ZipFile.Read(ZipFileToExtract))
+ {
+ zip.ExtractExistingFile= ExtractExistingFileAction.OverwriteSilently;
+ zip.ExtractAll(TargetDirectory);
+ }
+
+
+
+ Dim TargetDirectory As String = "unpack"
+ Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
+ zip.ExtractExistingFile= ExtractExistingFileAction.OverwriteSilently
+ zip.ExtractAll(TargetDirectory)
+ End Using
+
+
+ String TargetDirectory= "c:\\unpack";
+ using(ZipFile zip= ZipFile.Read(ZipFileToExtract))
+ {
+ zip.ExtractAll(TargetDirectory, ExtractExistingFileAction.DontOverwrite);
+ }
+
+
+
+ Dim TargetDirectory As String = "c:\unpack"
+ Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
+ zip.ExtractAll(TargetDirectory, ExtractExistingFileAction.DontOverwrite)
+ End Using
+
+
+ string zipToExtract = "MyArchive.zip";
+ string extractDirectory = "extract";
+ var options = new ReadOptions
+ {
+ StatusMessageWriter = System.Console.Out,
+ Encoding = System.Text.Encoding.GetEncoding(950)
+ };
+ using (ZipFile zip = ZipFile.Read(zipToExtract, options))
+ {
+ foreach (ZipEntry e in zip)
+ {
+ e.Extract(extractDirectory);
+ }
+ }
+
+
+
+
+ Dim zipToExtract as String = "MyArchive.zip"
+ Dim extractDirectory as String = "extract"
+ Dim options as New ReadOptions
+ options.Encoding = System.Text.Encoding.GetEncoding(950)
+ options.StatusMessageWriter = System.Console.Out
+ Using zip As ZipFile = ZipFile.Read(zipToExtract, options)
+ Dim e As ZipEntry
+ For Each e In zip
+ e.Extract(extractDirectory)
+ Next
+ End Using
+
+
+ var options = new ReadOptions
+ {
+ StatusMessageWriter = new System.IO.StringWriter()
+ };
+ using (ZipFile zip = ZipFile.Read("PackedDocuments.zip", options))
+ {
+ var Threshold = new DateTime(2007,7,4);
+ // We cannot remove the entry from the list, within the context of
+ // an enumeration of said list.
+ // So we add the doomed entry to a list to be removed later.
+ // pass 1: mark the entries for removal
+ var MarkedEntries = new System.Collections.Generic.List<ZipEntry>();
+ foreach (ZipEntry e in zip)
+ {
+ if (e.LastModified < Threshold)
+ MarkedEntries.Add(e);
+ }
+ // pass 2: actually remove the entry.
+ foreach (ZipEntry zombie in MarkedEntries)
+ zip.RemoveEntry(zombie);
+ zip.Comment = "This archive has been updated.";
+ zip.Save();
+ }
+ // can now use contents of sw, eg store in an audit log
+
+
+
+ Dim options as New ReadOptions
+ options.StatusMessageWriter = New System.IO.StringWriter
+ Using zip As ZipFile = ZipFile.Read("PackedDocuments.zip", options)
+ Dim Threshold As New DateTime(2007, 7, 4)
+ ' We cannot remove the entry from the list, within the context of
+ ' an enumeration of said list.
+ ' So we add the doomed entry to a list to be removed later.
+ ' pass 1: mark the entries for removal
+ Dim MarkedEntries As New System.Collections.Generic.List(Of ZipEntry)
+ Dim e As ZipEntry
+ For Each e In zip
+ If (e.LastModified < Threshold) Then
+ MarkedEntries.Add(e)
+ End If
+ Next
+ ' pass 2: actually remove the entry.
+ Dim zombie As ZipEntry
+ For Each zombie In MarkedEntries
+ zip.RemoveEntry(zombie)
+ Next
+ zip.Comment = "This archive has been updated."
+ zip.Save
+ End Using
+ ' can now use contents of sw, eg store in an audit log
+
+
+ using (ZipFile zip = ZipFile.Read(InputStream))
+ {
+ zip.Extract("NameOfEntryInArchive.doc", OutputStream);
+ }
+
+
+
+ Using zip as ZipFile = ZipFile.Read(InputStream)
+ zip.Extract("NameOfEntryInArchive.doc", OutputStream)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddDirectory(@"c:\reports\January");
+ zip.Save("January.zip");
+ }
+
+
+
+ Using zip As New ZipFile()
+ zip.AddDirectory("c:\reports\January")
+ zip.Save("January.zip")
+ End Using
+
+
+
+ using (ZipFile zip = ZipFile.Read("ExistingArchive.zip"))
+ {
+ zip.AddFile("NewData.csv");
+ zip.Save("UpdatedArchive.zip");
+ }
+
+
+
+ Using zip As ZipFile = ZipFile.Read("ExistingArchive.zip")
+ zip.AddFile("NewData.csv")
+ zip.Save("UpdatedArchive.zip")
+ End Using
+
+
+
+ using (var zip = new Ionic.Zip.ZipFile())
+ {
+ zip.CompressionLevel= Ionic.Zlib.CompressionLevel.BestCompression;
+ zip.Password = "VerySecret.";
+ zip.Encryption = EncryptionAlgorithm.WinZipAes128;
+ zip.AddFile(sourceFileName);
+ MemoryStream output = new MemoryStream();
+ zip.Save(output);
+
+ byte[] zipbytes = output.ToArray();
+ }
+
+
+ using (var fs = new FileStream(filename, FileMode.Open))
+ {
+ using (var zip = Ionic.Zip.ZipFile.Read(inputStream))
+ {
+ zip.AddEntry("Name1.txt", "this is the content");
+ zip.Save(inputStream); // NO NO NO!!
+ }
+ }
+
+
+
+ using (var zip = Ionic.Zip.ZipFile.Read(filename))
+ {
+ zip.AddEntry("Name1.txt", "this is the content");
+ zip.Save(); // YES!
+ }
+
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // To just match on filename wildcards,
+ // use the shorthand form of the selectionCriteria string.
+ zip.AddSelectedFiles("*.csv");
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile()
+ zip.AddSelectedFiles("*.csv")
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", true);
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile()
+ ' Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", true)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", "d:\\rawdata");
+ zip.Save(PathToZipArchive);
+ }
+
+
+
+ Using zip As ZipFile = New ZipFile()
+ ' Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.xml and size > 1024kb", "d:\rawdata)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.csv and mtime > 2009-02-14", "files", true);
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile()
+ ' Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.csv and mtime > 2009-02-14", "files", true)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ Using Zip As ZipFile = New ZipFile(zipfile)
+ Zip.AddSelectedFfiles("name != 'excludethis\*.*'", datapath, True)
+ Zip.Save()
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ // Use a compound expression in the selectionCriteria string.
+ zip.AddSelectedFiles("name = *.psd and mtime > 2009-02-14", "photos", "content");
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile
+ zip.AddSelectedFiles("name = *.psd and mtime > 2009-02-14", "photos", "content")
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip = new ZipFile())
+ {
+ zip.AddSelectedFiles("name != *.pst", SourceDirectory, "backup", true);
+ zip.Save(PathToZipArchive);
+ }
+
+
+ Using zip As ZipFile = New ZipFile
+ zip.AddSelectedFiles("name != *.pst", SourceDirectory, "backup", true)
+ zip.Save(PathToZipArchive)
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ var PhotoShopFiles = zip1.SelectEntries("*.psd");
+ foreach (ZipEntry psd in PhotoShopFiles)
+ {
+ psd.Extract();
+ }
+ }
+
+
+ Using zip1 As ZipFile = ZipFile.Read(ZipFileName)
+ Dim PhotoShopFiles as ICollection(Of ZipEntry)
+ PhotoShopFiles = zip1.SelectEntries("*.psd")
+ Dim psd As ZipEntry
+ For Each psd In PhotoShopFiles
+ psd.Extract
+ Next
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ var UpdatedPhotoShopFiles = zip1.SelectEntries("*.psd", "UpdatedFiles");
+ foreach (ZipEntry e in UpdatedPhotoShopFiles)
+ {
+ // prompt for extract here
+ if (WantExtract(e.FileName))
+ e.Extract();
+ }
+ }
+
+
+ Using zip1 As ZipFile = ZipFile.Read(ZipFileName)
+ Dim UpdatedPhotoShopFiles As ICollection(Of ZipEntry) = zip1.SelectEntries("*.psd", "UpdatedFiles")
+ Dim e As ZipEntry
+ For Each e In UpdatedPhotoShopFiles
+ ' prompt for extract here
+ If Me.WantExtract(e.FileName) Then
+ e.Extract
+ End If
+ Next
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ // remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01");
+ // don't forget to save the archive!
+ zip1.Save();
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read(ZipFileName)
+ ' remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01")
+ ' do not forget to save the archive!
+ zip1.Save
+ End Using
+
+
+ using (ZipFile zip1 = ZipFile.Read(ZipFileName))
+ {
+ // remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01", "documents");
+ // a call to ZipFile.Save will make the modifications permanent
+ zip1.Save();
+ }
+
+
+ Using zip As ZipFile = ZipFile.Read(ZipFileName)
+ ' remove all entries from prior to Jan 1, 2008
+ zip1.RemoveEntries("mtime < 2008-01-01", "documents")
+ ' a call to ZipFile.Save will make the modifications permanent
+ zip1.Save
+ End Using
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml and mtime > 2009-01-15");
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml and mtime > 2009-01-15",
+ ExtractExistingFileAction.OverwriteSilently);
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml and mtime > 2009-01-15","unpack");
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipArchiveName))
+ {
+ zip.ExtractSelectedEntries("name = *.xml or size > 100000",
+ null,
+ "unpack",
+ ExtractExistingFileAction.DontOverwrite);
+ }
+
+
+ using (ZipFile zip = ZipFile.Read(zipfile))
+ {
+ bool header = true;
+ foreach (ZipEntry e in zip)
+ {
+ if (header)
+ {
+ System.Console.WriteLine("Zipfile: {0}", zip.Name);
+ System.Console.WriteLine("Version Needed: 0x{0:X2}", e.VersionNeeded);
+ System.Console.WriteLine("BitField: 0x{0:X2}", e.BitField);
+ System.Console.WriteLine("Compression Method: 0x{0:X2}", e.CompressionMethod);
+ System.Console.WriteLine("\n{1,-22} {2,-6} {3,4} {4,-8} {0}",
+ "Filename", "Modified", "Size", "Ratio", "Packed");
+ System.Console.WriteLine(new System.String('-', 72));
+ header = false;
+ }
+
+ System.Console.WriteLine("{1,-22} {2,-6} {3,4:F0}% {4,-8} {0}",
+ e.FileName,
+ e.LastModified.ToString("yyyy-MM-dd HH:mm:ss"),
+ e.UncompressedSize,
+ e.CompressionRatio,
+ e.CompressedSize);
+
+ e.Extract();
+ }
+ }
+
+
+
+ Dim ZipFileToExtract As String = "c:\foo.zip"
+ Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
+ Dim header As Boolean = True
+ Dim e As ZipEntry
+ For Each e In zip
+ If header Then
+ Console.WriteLine("Zipfile: {0}", zip.Name)
+ Console.WriteLine("Version Needed: 0x{0:X2}", e.VersionNeeded)
+ Console.WriteLine("BitField: 0x{0:X2}", e.BitField)
+ Console.WriteLine("Compression Method: 0x{0:X2}", e.CompressionMethod)
+ Console.WriteLine(ChrW(10) & "{1,-22} {2,-6} {3,4} {4,-8} {0}", _
+ "Filename", "Modified", "Size", "Ratio", "Packed" )
+ Console.WriteLine(New String("-"c, 72))
+ header = False
+ End If
+ Console.WriteLine("{1,-22} {2,-6} {3,4:F0}% {4,-8} {0}", _
+ e.FileName, _
+ e.LastModified.ToString("yyyy-MM-dd HH:mm:ss"), _
+ e.UncompressedSize, _
+ e.CompressionRatio, _
+ e.CompressedSize )
+ e.Extract
+ Next
+ End Using
+
+
+ private void Unzip()
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ using (var raw = File.Open(inputFileName, FileMode.Open, FileAccess.Read))
+ {
+ using (var input= new ZipInputStream(raw))
+ {
+ ZipEntry e;
+ while (( e = input.GetNextEntry()) != null)
+ {
+ if (e.IsDirectory) continue;
+ string outputPath = Path.Combine(extractDir, e.FileName);
+ using (var output = File.Open(outputPath, FileMode.Create, FileAccess.ReadWrite))
+ {
+ while ((n= input.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub UnZip()
+ Dim inputFileName As String = "MyArchive.zip"
+ Dim extractDir As String = "extract"
+ Dim buffer As Byte() = New Byte(2048) {}
+ Using raw As FileStream = File.Open(inputFileName, FileMode.Open, FileAccess.Read)
+ Using input As ZipInputStream = New ZipInputStream(raw)
+ Dim e As ZipEntry
+ Do While (Not e = input.GetNextEntry Is Nothing)
+ If Not e.IsDirectory Then
+ Using output As FileStream = File.Open(Path.Combine(extractDir, e.FileName), _
+ FileMode.Create, FileAccess.ReadWrite)
+ Dim n As Integer
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ End If
+ Loop
+ End Using
+ End Using
+ End Sub
+
+
+ private void Unzip()
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ using (var input= new ZipInputStream(inputFileName))
+ {
+ ZipEntry e;
+ while (( e = input.GetNextEntry()) != null)
+ {
+ if (e.IsDirectory) continue;
+ string outputPath = Path.Combine(extractDir, e.FileName);
+ using (var output = File.Open(outputPath, FileMode.Create, FileAccess.ReadWrite))
+ {
+ while ((n= input.Read(buffer, 0, buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub UnZip()
+ Dim inputFileName As String = "MyArchive.zip"
+ Dim extractDir As String = "extract"
+ Dim buffer As Byte() = New Byte(2048) {}
+ Using input As ZipInputStream = New ZipInputStream(inputFileName)
+ Dim e As ZipEntry
+ Do While (Not e = input.GetNextEntry Is Nothing)
+ If Not e.IsDirectory Then
+ Using output As FileStream = File.Open(Path.Combine(extractDir, e.FileName), _
+ FileMode.Create, FileAccess.ReadWrite)
+ Dim n As Integer
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ End If
+ Loop
+ End Using
+ End Sub
+
+
+ byte[] buffer= new byte[2048];
+ int n;
+ using (var raw = File.Open(_inputFileName, FileMode.Open, FileAccess.Read ))
+ {
+ using (var input= new ZipInputStream(raw))
+ {
+ ZipEntry e;
+ while (( e = input.GetNextEntry()) != null)
+ {
+ input.Password = PasswordForEntry(e.FileName);
+ if (e.IsDirectory) continue;
+ string outputPath = Path.Combine(_extractDir, e.FileName);
+ using (var output = File.Open(outputPath, FileMode.Create, FileAccess.ReadWrite))
+ {
+ while ((n= input.Read(buffer,0,buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+
+
+
+ private void Zipup()
+ {
+ if (filesToZip.Count == 0)
+ {
+ System.Console.WriteLine("Nothing to do.");
+ return;
+ }
+
+ using (var raw = File.Open(_outputFileName, FileMode.Create, FileAccess.ReadWrite ))
+ {
+ using (var output= new ZipOutputStream(raw))
+ {
+ output.Password = "VerySecret!";
+ output.Encryption = EncryptionAlgorithm.WinZipAes256;
+
+ foreach (string inputFileName in filesToZip)
+ {
+ System.Console.WriteLine("file: {0}", inputFileName);
+
+ output.PutNextEntry(inputFileName);
+ using (var input = File.Open(inputFileName, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Write ))
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ while ((n= input.Read(buffer,0,buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub Zipup()
+ Dim outputFileName As String = "XmlData.zip"
+ Dim filesToZip As String() = Directory.GetFiles(".", "*.xml")
+ If (filesToZip.Length = 0) Then
+ Console.WriteLine("Nothing to do.")
+ Else
+ Using raw As FileStream = File.Open(outputFileName, FileMode.Create, FileAccess.ReadWrite)
+ Using output As ZipOutputStream = New ZipOutputStream(raw)
+ output.Password = "VerySecret!"
+ output.Encryption = EncryptionAlgorithm.WinZipAes256
+ Dim inputFileName As String
+ For Each inputFileName In filesToZip
+ Console.WriteLine("file: {0}", inputFileName)
+ output.PutNextEntry(inputFileName)
+ Using input As FileStream = File.Open(inputFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
+ Dim n As Integer
+ Dim buffer As Byte() = New Byte(2048) {}
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ Next
+ End Using
+ End Using
+ End If
+ End Sub
+
+
+ private void Zipup()
+ {
+ if (filesToZip.Count == 0)
+ {
+ System.Console.WriteLine("Nothing to do.");
+ return;
+ }
+
+ using (var output= new ZipOutputStream(outputFileName))
+ {
+ output.Password = "VerySecret!";
+ output.Encryption = EncryptionAlgorithm.WinZipAes256;
+
+ foreach (string inputFileName in filesToZip)
+ {
+ System.Console.WriteLine("file: {0}", inputFileName);
+
+ output.PutNextEntry(inputFileName);
+ using (var input = File.Open(inputFileName, FileMode.Open, FileAccess.Read,
+ FileShare.Read | FileShare.Write ))
+ {
+ byte[] buffer= new byte[2048];
+ int n;
+ while ((n= input.Read(buffer,0,buffer.Length)) > 0)
+ {
+ output.Write(buffer,0,n);
+ }
+ }
+ }
+ }
+ }
+
+
+
+ Private Sub Zipup()
+ Dim outputFileName As String = "XmlData.zip"
+ Dim filesToZip As String() = Directory.GetFiles(".", "*.xml")
+ If (filesToZip.Length = 0) Then
+ Console.WriteLine("Nothing to do.")
+ Else
+ Using output As ZipOutputStream = New ZipOutputStream(outputFileName)
+ output.Password = "VerySecret!"
+ output.Encryption = EncryptionAlgorithm.WinZipAes256
+ Dim inputFileName As String
+ For Each inputFileName In filesToZip
+ Console.WriteLine("file: {0}", inputFileName)
+ output.PutNextEntry(inputFileName)
+ Using input As FileStream = File.Open(inputFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)
+ Dim n As Integer
+ Dim buffer As Byte() = New Byte(2048) {}
+ Do While (n = input.Read(buffer, 0, buffer.Length) > 0)
+ output.Write(buffer, 0, n)
+ Loop
+ End Using
+ Next
+ End Using
+ End If
+ End Sub
+
+
+ private void Zipup()
+ {
+ using (FileStream fs raw = File.Open(_outputFileName, FileMode.Create, FileAccess.ReadWrite ))
+ {
+ using (var output= new ZipOutputStream(fs))
+ {
+ output.Password = "VerySecret!";
+ output.Encryption = EncryptionAlgorithm.WinZipAes256;
+ output.PutNextEntry("entry1.txt");
+ byte[] buffer= System.Text.Encoding.ASCII.GetBytes("This is the content for entry #1.");
+ output.Write(buffer,0,buffer.Length);
+ output.PutNextEntry("entry2.txt"); // this will be zero length
+ output.PutNextEntry("entry3.txt");
+ buffer= System.Text.Encoding.ASCII.GetBytes("This is the content for entry #3.");
+ output.Write(buffer,0,buffer.Length);
+ }
+ }
+ }
+
+