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(C++) SFTP Read Text File to StringDemonstrates how to download a text file from an SSH server directly into a string variable.
#include <CkSFtp.h> void ChilkatSample(void) { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkSFtp sftp; // Set some timeouts, in milliseconds: sftp.put_ConnectTimeoutMs(5000); sftp.put_IdleTimeoutMs(15000); // Connect to the SSH server. // The standard SSH port = 22 // The hostname may be a hostname or IP address. const char *hostname = "sftp.example.com"; int port = 22; bool success = sftp.Connect(hostname,port); if (success != true) { std::cout << sftp.lastErrorText() << "\r\n"; return; } // Authenticate with the SSH server. Chilkat SFTP supports // both password-based authenication as well as public-key // authentication. This example uses password authenication. success = sftp.AuthenticatePw("myLogin","myPassword"); if (success != true) { std::cout << sftp.lastErrorText() << "\r\n"; return; } // After authenticating, the SFTP subsystem must be initialized: success = sftp.InitializeSftp(); if (success != true) { std::cout << sftp.lastErrorText() << "\r\n"; return; } // Open a file on the server: const char *handle = 0; handle = sftp.openFile("hamlet.xml","readOnly","openExisting"); if (sftp.get_LastMethodSuccess() != true) { std::cout << sftp.lastErrorText() << "\r\n"; return; } // Get the total size of this file (in bytes) bool bFollowLinks = false; bool bIsHandle = true; int numBytes; // bFollowLinks is ignored because we are passing a handle // and not a remote filename. // There are alternative methods for handling file sizes // greater than 32-bit. (See the reference documentation.) numBytes = sftp.GetFileSize32(handle,bFollowLinks,bIsHandle); if (numBytes < 0) { std::cout << sftp.lastErrorText() << "\r\n"; return; } // The charset indicates the character encoding of the text // file on the SSH server. Setting the charset correctly // allows the Chilkat SFTP component to correctly interpret // the bytes that represent the characters. const char *charset = 0; charset = "ansi"; const char *fileContents = 0; fileContents = sftp.readFileText(handle,numBytes,charset); if (sftp.get_LastMethodSuccess() != true) { std::cout << sftp.lastErrorText() << "\r\n"; return; } else { std::cout << "Received file:" << "\r\n"; std::cout << fileContents << "\r\n"; } // Close the file. success = sftp.CloseHandle(handle); if (success != true) { std::cout << sftp.lastErrorText() << "\r\n"; return; } std::cout << "Success." << "\r\n"; } |
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