FileChecksumComparer Class

Shows how to use FileComparers.FileChecksumComparer for synchronizing a local folder with a remote folder.

using ComponentPro.IO;
using ComponentPro.Net;

...

// Create a new class instance.
Ftp client = new Ftp();

// Connect to the FTP server.
client.Connect("myserver");

// Authenticate.
client.Authenticate("userName", "password");

// Create a new instance of the MirrorOptions class.
QuickSyncOptions opt = new QuickSyncOptions();

// Set synchronization's settings 
// Synchronize files that are different in checksum. 
// Files with the same SHA1 computed checksum will not be synchronized.
opt.Comparer = FileComparers.FileSha1ChecksumComparer;
opt.Recursive = true;

// Synchronize folders.
client.QuickSynchronize(
    "", // Source directory path within the archive. "" indicates the current remote directory on the server. 
    "c:\\test", // Destination directory path.                 
    true, // Source directory is master. It means "c:\test" will be identical to the current remote directory. 
    opt
    );

// Synchronize files that are different in contents.
opt.Comparer = FileComparers.FileSha1ChecksumComparer;
opt.Recursive = true;

// Synchronize folders.
client.QuickSynchronize(
    "", // Source directory path within the archive. "" indicates the current remote directory on the server. 
    "c:\\test2", // Destination directory path.                 
    true, // Source directory is master. It means "c:\test2" will be identical to the current remote directory. 
    opt
    );

// That comparer can also be used in Upload and Download operations.
TransferOptions transferOptions = new TransferOptions();
// Files with the same checksum will not be downloaded.
transferOptions.Comparer = FileComparers.FileSha1ChecksumComparer;
transferOptions.FileOverwriteMode = FileOverwriteMode.CustomCompare;
// Download .txt files from the current remote directory. Only files with different checksum will be downloaded.
client.Download("*.txt", "C:\\temp", transferOptions);

// Close the connection.
client.Disconnect();

Imports ComponentPro.IO
Imports ComponentPro.Net

...

' Create a new class instance. 
Dim client As New Ftp()

' Connect to the FTP server.
client.Connect("myserver")

' Authenticate.
client.Authenticate("userName", "password")

' Create a new instance of the MirrorOptions class. 
Dim opt As New QuickSyncOptions()

' Set synchronization's settings 
' Synchronize files that are different in checksum. 
' Files with the same SHA1 computed checksum will not be synchronized.
opt.Comparer = FileComparers.FileSha1ChecksumComparer
opt.Recursive = True 
 
' Synchronize folders.
client.QuickSynchronize("", "c:\test", True, opt) ' Source directory is master. It means "c:\test" will be identical to the current remote directory. -  Destination directory path. -  Source directory path within the archive. "" indicates the current remote directory on the server. 
 
' Synchronize files that are different in contents.
opt.Comparer = FileComparers.FileSha1ChecksumComparer
opt.Recursive = True 
 
' Synchronize folders.
client.QuickSynchronize("", "c:\test2", True, opt) ' Source directory is master. It means "c:\test2" will be identical to the current remote directory. -  Destination directory path. -  Source directory path within the archive. "" indicates the current remote directory on the server. 
 
' That comparer can also be used in Upload and Download operations. 
Dim transferOptions As New TransferOptions()
' Files with the same checksum will not be downloaded.
transferOptions.Comparer = FileComparers.FileSha1ChecksumComparer
transferOptions.FileOverwriteMode = FileOverwriteMode.CustomCompare
' Download .txt files from the current remote directory. Only files with different checksum will be downloaded.
client.Download("*.txt", "C:\temp", transferOptions)

' Close the connection.
client.Disconnect()

Shows how to use FileComparers.FileChecksumComparer for synchronizing a local folder with a remote folder.

using ComponentPro.IO;
using ComponentPro.Net;

...

// Create a new class instance.
Sftp client = new Sftp();

// Connect to the SFTP server.
client.Connect("myserver");

// Authenticate.
client.Authenticate("userName", "password");

// Create a new instance of the MirrorOptions class.
QuickSyncOptions opt = new QuickSyncOptions();

// Set synchronization's settings 
// Synchronize files that are different in checksum. 
// Files with the same SHA1 computed checksum will not be synchronized.
opt.Comparer = FileComparers.FileSha1ChecksumComparer;
opt.Recursive = true;

// Synchronize folders.
client.QuickSynchronize(
    "", // Source directory path within the archive. "" indicates the current remote directory on the server. 
    "c:\\test", // Destination directory path.                 
    true, // Source directory is master. It means "c:\test" will be identical to the current remote directory. 
    opt
    );

// Synchronize files that are different in contents.
opt.Comparer = FileComparers.FileSha1ChecksumComparer;
opt.Recursive = true;

// Synchronize folders.
client.QuickSynchronize(
    "", // Source directory path within the archive. "" indicates the current remote directory on the server. 
    "c:\\test2", // Destination directory path.                 
    true, // Source directory is master. It means "c:\test2" will be identical to the current remote directory. 
    opt
    );

// That comparer can also be used in Upload and Download operations.
TransferOptions transferOptions = new TransferOptions();
// Files with the same checksum will not be downloaded.
transferOptions.Comparer = FileComparers.FileSha1ChecksumComparer;
transferOptions.FileOverwriteMode = FileOverwriteMode.CustomCompare;
// Download .txt files from the current remote directory. Only files with different checksum will be downloaded.
client.Download("*.txt", "C:\\temp", transferOptions);

// Close the connection.
client.Disconnect();

Imports ComponentPro.IO
Imports ComponentPro.Net

...

' Create a new class instance. 
Dim client As New Sftp()

' Connect to the SFTP server.
client.Connect("myserver")

' Authenticate.
client.Authenticate("userName", "password")

' Create a new instance of the MirrorOptions class. 
Dim opt As New QuickSyncOptions()

' Set synchronization's settings 
' Synchronize files that are different in checksum. 
' Files with the same SHA1 computed checksum will not be synchronized.
opt.Comparer = FileComparers.FileSha1ChecksumComparer
opt.Recursive = True 
 
' Synchronize folders.
client.QuickSynchronize("", "c:\test", True, opt) ' Source directory is master. It means "c:\test" will be identical to the current remote directory. -  Destination directory path. -  Source directory path within the archive. "" indicates the current remote directory on the server. 
 
' Synchronize files that are different in contents.
opt.Comparer = FileComparers.FileSha1ChecksumComparer
opt.Recursive = True 
 
' Synchronize folders.
client.QuickSynchronize("", "c:\test2", True, opt) ' Source directory is master. It means "c:\test2" will be identical to the current remote directory. -  Destination directory path. -  Source directory path within the archive. "" indicates the current remote directory on the server. 
 
' That comparer can also be used in Upload and Download operations. 
Dim transferOptions As New TransferOptions()
' Files with the same checksum will not be downloaded.
transferOptions.Comparer = FileComparers.FileSha1ChecksumComparer
transferOptions.FileOverwriteMode = FileOverwriteMode.CustomCompare
' Download .txt files from the current remote directory. Only files with different checksum will be downloaded.
client.Download("*.txt", "C:\temp", transferOptions)

' Close the connection.
client.Disconnect()

Shows how to use FileComparers.FileChecksumComparer for synchronizing a local folder with a remote folder.

using ComponentPro.Compression;
using ComponentPro.IO;
using ComponentPro.Net;

...

// Create a new class instance. 
using (Zip arc = new Zip())
{
    arc.Open("myzip.zip");

    // Create a new instance of the QuickSyncOptions class. 
    QuickSyncOptions opt = new QuickSyncOptions();

    // Set synchronization's settings 
    // Synchronize files that are different in checksum. 
    // Files with the same SHA1 computed checksum will not be synchronized. 
    opt.Comparer = FileComparers.FileSha1ChecksumComparer;
    opt.Recursive = true;

    // Synchronize folders. 
    arc.QuickSynchronize(
        "", // Source directory path within the archive. "" indicates the current directory within the archive. 
        "c:\\test", // Destination directory path.                 
        true, // Source directory is master. It means "c:\test" will be identical to the directory within the archive. 
        opt
        );

    // Synchronize files that are different in contents. 
    opt.Comparer = FileComparers.FileSha1ChecksumComparer;
    opt.Recursive = true;

    // Synchronize folders. 
    arc.QuickSynchronize(
        "", // Source directory path within the archive. "" indicates the current directory within the archive. 
        "c:\\test2", // Destination directory path.                 
        true, // Source directory is master. It means "c:\test2" will be identical to the directory within the archive. 
        opt
        );

    // That comparer can also be used in UploadFiles and DownloadFiles operations. 
    TransferOptions transferOptions = new TransferOptions();
    // Files with the same checksum will not be extracted. 
    transferOptions.Comparer = FileComparers.FileSha1ChecksumComparer;
    transferOptions.FileOverwriteMode = FileOverwriteMode.CustomCompare;
    // Extract .txt files from the current archive directory. Only files with different checksum will be extracted. 
    arc.ExtractFiles("*.txt", "C:\\temp", transferOptions);
}

Imports ComponentPro.Compression
Imports ComponentPro.IO
Imports ComponentPro.Net

...

' Create a new class instance.
Using arc As New Zip()
    arc.Open("myzip.zip")

    ' Create a new instance of the QuickSyncOptions class. 
    Dim opt As New QuickSyncOptions()

    ' Set synchronization's settings 
    ' Synchronize files that are different in checksum. 
    ' Files with the same SHA1 computed checksum will not be synchronized. 
    opt.Comparer = FileComparers.FileSha1ChecksumComparer
    opt.Recursive = True 
 
    ' Synchronize folders. 
    arc.QuickSynchronize("", "c:\test", True, opt) ' Source directory is master. It means "c:\test" will be identical to the directory within the archive. -  Destination directory path. -  Source directory path within the archive. "" indicates the current directory within the archive. 
 
    ' Synchronize files that are different in contents. 
    opt.Comparer = FileComparers.FileSha1ChecksumComparer
    opt.Recursive = True 
 
    ' Synchronize folders. 
    arc.QuickSynchronize("", "c:\test2", True, opt) ' Source directory is master. It means "c:\test2" will be identical to the directory within the archive. -  Destination directory path. -  Source directory path within the archive. "" indicates the current directory within the archive. 
 
    ' That comparer can also be used in UploadFiles and DownloadFiles operations. 
    Dim transferOptions As New TransferOptions()
    ' Files with the same checksum will not be extracted. 
    transferOptions.Comparer = FileComparers.FileSha1ChecksumComparer
    transferOptions.FileOverwriteMode = FileOverwriteMode.CustomCompare
    ' Extract .txt files from the current archive directory. Only files with different checksum will be extracted. 
    arc.ExtractFiles("*.txt", "C:\temp", transferOptions)
End Using