Perl

FTP Non-Recursive Sync Directory (Download)

See more FTP Examples

Download files from the server that have filenames matchhing a pattern, and don't yet exist in a local directory. 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('myUsername');
$ftp->Password('myPassword');
$ftp->Port(21);
$ftp->AuthTls(1);

# 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 files are located.
# This step is only necessary if the files are not in the root directory
# of the FTP account.
$success = $ftp->ChangeRemoteDir('qa');
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

# Indicate that we only want to download files with filenames ending in ".txt"
$ftp->SyncMustMatch('*.txt');

# Modes for synchronization are as follows:
# mode=0: Download all files
# mode=1: Download all files that do not exist on the local filesystem.
# mode=2: Download newer or non-existant files.
# mode=3: Download only newer files. If a file does not already exist on the local filesystem, it is not downloaded from the server.
# mode=5: Download only missing files or files with size differences.
# mode=6: Same as mode 5, but also download newer files.
# mode=99: Do not download files, but instead delete remote files that do not exist locally.
my $mode = 1;

# Download all files matching "*.txt" from the current remote ftp directory.
# The files are downloaded into c:/temp/qa_output
$success = $ftp->SyncLocalDir('c:/temp/qa_output', $mode);
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

# Perhaps we wish to delete the files we just downloaded from the server..
my $st = Chilkat2::StringTable->new;
$ftp->GetSyncedFiles($st);

my $numFiles = $st->Count;
my $i = 0;
my $remoteFilename = '';
while ($i < $numFiles) {
    $remoteFilename = $st->StringAt($i);
    print 'Deleting ', $remoteFilename, " from the FTP server\n";
    $success = $ftp->DeleteRemoteFile($remoteFilename);
    if (!$success) {
        print $ftp->LastErrorText, "\n";
        exit;
    }

    $i = $i + 1;
}

$success = $ftp->Disconnect();