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(Objective-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.
#import <CkoSFtp.h> #import <NSString.h> #import <CkoSFtpDir.h> BOOL success = NO; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkoSFtp *sftp = [[CkoSFtp alloc] init]; // Connect to the SSH server. NSString *hostname = @"sftp.example.com"; int port = 22; success = [sftp Connect: hostname port: [NSNumber numberWithInt: port]]; if (success == NO) { NSLog(@"%@",sftp.LastErrorText); return; } success = [sftp AuthenticatePw: @"myLogin" password: @"myPassword"]; if (success == NO) { NSLog(@"%@",sftp.LastErrorText); return; } success = [sftp InitializeSftp]; if (success == NO) { NSLog(@"%@",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. NSString *handle = [sftp OpenDir: @"/+mode=binary"]; if (sftp.LastMethodSuccess == NO) { NSLog(@"%@",sftp.LastErrorText); return; } // Download the "directory listing" (but it's not actually a directory listing, and we'll just discard it.) CkoSFtpDir *dirListing = [[CkoSFtpDir alloc] init]; success = [sftp ReadDirListing: handle dirObj: dirListing]; if (success == NO) { NSLog(@"%@",sftp.LastErrorText); return; } // Close the directory handle: success = [sftp CloseHandle: handle]; if (success == NO) { NSLog(@"%@",sftp.LastErrorText); return; } // Download the binary file: NSString *localFilePath = @"c:/temp/test.zip"; NSString *remoteFilePath = @"test.zip"; success = [sftp DownloadFileByName: remoteFilePath localFilePath: localFilePath]; if (success == NO) { NSLog(@"%@",sftp.LastErrorText); return; } NSLog(@"%@",@"Success."); |
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