oh-my-git/scripts/fake-editor

#!/usr/bin/env perl

use IO::Socket;

$socket = IO::Socket::INET->new(PeerAddr => "127.0.0.1",
                                PeerPort => 1234,
                                Proto    => "tcp",
                                Type     => SOCK_STREAM);

# Send the length of the first argument as a byte.
$socket->send(chr(length($ARGV[0])));
# Send the first argument as a string.
$socket->send($ARGV[0]);

# This call is intended to block, we're waiting for Godot to close the connection.
my $reply;
$socket->read($reply, 1000);