SFTP Resume Download

Demonstrates how to resume an SFTP download from a previous partial download.

Chilkat Module for Perl 5.8.*

Chilkat Module for Perl 5.10.*

Chilkat Module for Perl 5.8.* (x64)

Chilkat Module for Perl 5.10.* (x64)

use chilkat;

#  Important: It is helpful to send the contents of the
#  sftp.LastErrorText property when requesting support.

$sftp = new chilkat::CkSFtp();

#  Any string automatically begins a fully-functional 30-day trial.
$success = $sftp->UnlockComponent("Anything for 30-day trial");
if ($success != 1) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

#  Set some timeouts, in milliseconds:
$sftp->put_ConnectTimeoutMs(5000);
$sftp->put_IdleTimeoutMs(10000);

#  Connect to the SSH server.
#  The standard SSH port = 22
#  The hostname may be a hostname or IP address.

$hostname = "www.my-ssh-server.com";
$port = 22;
$success = $sftp->Connect($hostname,$port);
if ($success != 1) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

#  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 != 1) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

#  After authenticating, the SFTP subsystem must be initialized:
$success = $sftp->InitializeSftp();
if ($success != 1) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

#  Download the file:

$localFilePath = "c:/temp/hamlet.xml";
$remoteFilePath = "subdir1/subdir2/hamlet.xml";
#  The ResumeDownloadFileByName method will check
#  the local file and begin downloading the remote file
#  at the appropriate point.  For example, if the local
#  file is already 215624 bytes long, it will begin downloading
#  the remote file at the 215625'th byte -- appending to
#  the local file.
$success = $sftp->ResumeDownloadFileByName($remoteFilePath,$localFilePath);
if ($success != 1) {
    print $sftp->lastErrorText() . "\n";
    exit;
}

print "Success." . "\n";