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(.NET Core C#) Co:Z SFTP Binary File Download (from z/OS IBM Mainframe)Demonstrates how to download a binary file, such as a .zip, from a Co:Z SFTP server on a z/OS IBM Mainframe. Note: This example requires Chilkat v11.0.0 or greater.
bool success = false; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.SFtp sftp = new Chilkat.SFtp(); // Connect to the SSH server. string hostname = "sftp.example.com"; int port = 22; success = sftp.Connect(hostname,port); if (success == false) { Debug.WriteLine(sftp.LastErrorText); return; } success = sftp.AuthenticatePw("myLogin","myPassword"); if (success == false) { Debug.WriteLine(sftp.LastErrorText); return; } success = sftp.InitializeSftp(); if (success == false) { Debug.WriteLine(sftp.LastErrorText); return; } // To download a binary file from the Co:Z SFTP server, // we must switch to binary mode in the following unconventional way. // We pretend to fetch a directory listing for "/+mode=binary" // This has the effect of putting the server in binary mode for transfers. string handle = sftp.OpenDir("/+mode=binary"); if (sftp.LastMethodSuccess == false) { Debug.WriteLine(sftp.LastErrorText); return; } // Download the "directory listing" (but it's not actually a directory listing, and we'll just discard it.) Chilkat.SFtpDir dirListing = new Chilkat.SFtpDir(); success = sftp.ReadDirListing(handle,dirListing); if (success == false) { Debug.WriteLine(sftp.LastErrorText); return; } // Close the directory handle: success = sftp.CloseHandle(handle); if (success == false) { Debug.WriteLine(sftp.LastErrorText); return; } // Download the binary file: string localFilePath = "c:/temp/test.zip"; string remoteFilePath = "test.zip"; success = sftp.DownloadFileByName(remoteFilePath,localFilePath); if (success == false) { Debug.WriteLine(sftp.LastErrorText); return; } Debug.WriteLine("Success."); |
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