#!/usr/bin/perl

use warnings;
use strict;

use IO::Socket;
use IPC::Open3;

my $sock = new IO::Socket::INET (
        LocalHost => '127.0.0.1',
        LocalPort => '1818',
        Proto => 'tcp',
        Listen => 1,
        ReuseAddr => 1,
        Timeout => 20
);

die "Could not create socket: $!\n" unless $sock;

our $new_sock = $sock->accept() or die "No one came!";
my $pid = open3( "<&" . fileno($new_sock), ">&STDOUT", ">&STDERR", "/bin/cat" );
waitpid( $pid, 0 );