Perl

Send an FTP SITE Command

Demonstrates the Chilkat Ftp2.Site method, which sends a server-specific SITE command. The only argument is the text following SITE, for example CHMOD 644 index.html.

Background: SITE is FTP's extension point for features outside the standard — each server defines its own subcommands. The best-known is SITE CHMOD on Unix servers to set file permissions, but others cover mainframe dataset attributes, quotas, and more. Because these are non-standard and often privileged, expect them to vary by server and to require appropriate rights.

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use strict;
use warnings;
use Chilkat2;

# Demonstrates the Ftp2.Site method, which sends a server-specific SITE command.  The only
# argument is the text following "SITE".

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

$ftp->Hostname('ftp.example.com');
$ftp->Username('myFtpLogin');

# Normally you would not hard-code the password in source.  You should instead obtain it
# from an interactive prompt, environment variable, or a secrets vault.
$ftp->Password('myPassword');

# Connect and log in (Connect performs both).
my $success = $ftp->Connect();
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

# SITE subcommands are defined by the server, not by the FTP standard, and may require special
# permissions.  A common example is changing file permissions on a Unix FTP server.
$success = $ftp->Site('CHMOD 644 public_html/index.html');
if (!$success) {
    print $ftp->LastErrorText, "\n";
    exit;
}

print "SITE command accepted.\n";

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