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(Unicode C) Check if File ExistsDemonstrates how to check to see if a file exists.
#include <C_CkSFtpW.h> void ChilkatSample(void) { HCkSFtpW sftp; const wchar_t *hostname; int port; BOOL success; BOOL followLinks; int status; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. sftp = CkSFtpW_Create(); // Connect to the SSH server. hostname = L"sftp.example.com"; port = 22; success = CkSFtpW_Connect(sftp,hostname,port); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); 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 = CkSFtpW_AuthenticatePw(sftp,L"myLogin",L"myPassword"); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // After authenticating, the SFTP subsystem must be initialized: success = CkSFtpW_InitializeSftp(sftp); if (success != TRUE) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } // Check to see if a file exists // The return value is one of the following values: // -1: Unable to check. Examine the LastErrorText to determine the reason for failure. // 0: File does not exist. // 1: The regular file exists. // 2: It exists, but it is a directory. // 3: It exists, but it is a symlink (only possible if followLinks is false) // 4: It exists, but it is a special filesystem entry type. // 5: It exists, but it is an unkown filesystem entry type. // 6: It exists, but it is an socket filesystem entry type. // 7: It exists, but it is an char device entry type. // 8: It exists, but it is an block device entry type. // 9: It exists, but it is an FIFO entry type. followLinks = TRUE; status = CkSFtpW_FileExists(sftp,L"someDir/someFile.txt",followLinks); if (status < 0) { wprintf(L"%s\n",CkSFtpW_lastErrorText(sftp)); CkSFtpW_Dispose(sftp); return; } wprintf(L"status = %d\n",status); wprintf(L"Success\n"); CkSFtpW_Dispose(sftp); } |
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