Perl

FTP Bandwidth Throttle for Downloads

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Demonstrates the Chilkat FTP2 download bandwidth throttling property : BandwidthThrottleDown. Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

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

my $ftp = Chilkat2::Ftp2->new;

$ftp->Hostname('ftp.example.com');
$ftp->Username('login');
$ftp->Password('password');

# To use FTP bandwidth throttling, set the BandwidthThrottleDown
# property to a maximum desired bytes/second:
# This example limits the download to 50K per second.
$ftp->BandwidthThrottleDown(50000);

# The default data transfer mode is "Active" as opposed to "Passive".

# Connect and login to the FTP server.
my $success = $ftp->Connect();
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

# 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 = $ftp->ChangeRemoteDir('junk');
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

# Download a file.
my $localFilename = 'hamlet.xml';
my $remoteFilename = 'hamlet.xml';

$success = $ftp->GetFile($remoteFilename, $localFilename);
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

$success = $ftp->Disconnect();

print "File Downloaded!\n";