Node.js

Restart/Resume FTP Download

See more FTP Examples

Resume downloading a file from an FTP server. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var ftp = new chilkat.Ftp2();

    ftp.Hostname = "ftp.example.com";
    ftp.Username = "login";
    ftp.Password = "password";

    //  Connect and login to the FTP server.
    success = ftp.Connect();
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    //  Change to the remote directory where the file is located.
    //  This step is only necessary if the file is not in the root directory
    //  for the FTP account.
    success = ftp.ChangeRemoteDir("temp");
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    //  To resume a download, it is assumed that the partial file
    //  is already present on the local filesystem.
    //  You only need to set the RestartNext property to resume
    //  the download.  The Chilkat FTP component sets the resume
    //  point by getting the existing size of the target (local) file.
    ftp.RestartNext = true;

    var localFilename = "big.zip";
    var remoteFilename = "big.zip";

    //  Resume downloading...
    success = ftp.GetFile(remoteFilename,localFilename);
    if (success !== true) {
        console.log(ftp.LastErrorText);
        return;
    }

    success = ftp.Disconnect();

    console.log("File Downloaded!");

}

chilkatExample();