(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.

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

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

$ftp = chilkat::CkFtp2->new();

$ftp->put_Hostname("ftp.example.com");
$ftp->put_Username("myUsername");
$ftp->put_Password("myPassword");
$ftp->put_Port(21);
$ftp->put_AuthTls(1);

# Connect and login to the FTP server.
$success = $ftp->Connect();
if ($success != 1) {
    print $ftp->lastErrorText() . "\r\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 != 1) {
    print $ftp->lastErrorText() . "\r\n";
    exit;
}

# Indicate that we only want to download files with filenames ending in ".txt"
$ftp->put_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.
$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 != 1) {
    print $ftp->lastErrorText() . "\r\n";
    exit;
}

# We can see what files were downloaded in the SyncedFiles property,
# which lists the files one per line.
print $ftp->syncedFiles() . "\r\n";

# Perhaps we wish to delete the files we just downloaded from the server..
$sb = chilkat::CkStringBuilder->new();
$sb->Append($ftp->syncedFiles());

$st = chilkat::CkStringTable->new();
$st->AppendFromSb($sb);

$numFiles = $st->get_Count();
$i = 0;

while ($i < $numFiles) {
    $remoteFilename = $st->stringAt($i);
    print "Deleting " . $remoteFilename . " from the FTP server" . "\r\n";
    $success = $ftp->DeleteRemoteFile($remoteFilename);
    if ($success != 1) {
        print $ftp->lastErrorText() . "\r\n";
        exit;
    }

    $i = $i + 1;
}

$success = $ftp->Disconnect();