Unicode C++

Check if File Exists

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Demonstrates how to check to see if a file exists. Unicode C++

#include <CkSFtpW.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkSFtpW sftp;

    //  Connect to the SSH server.  
    const wchar_t *hostname = L"sftp.example.com";
    int port = 22;
    success = sftp.Connect(hostname,port);
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        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(L"myLogin",L"myPassword");
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    //  After authenticating, the SFTP subsystem must be initialized:
    success = sftp.InitializeSftp();
    if (success != true) {
        wprintf(L"%s\n",sftp.lastErrorText());
        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.

    bool followLinks = true;
    int status = sftp.FileExists(L"someDir/someFile.txt",followLinks);
    if (status < 0) {
        wprintf(L"%s\n",sftp.lastErrorText());
        return;
    }

    wprintf(L"status = %d\n",status);

    wprintf(L"Success\n");
    }