#!/usr/bin/perl

use strict;
use warnings;

my $path;

BEGIN {
    $path = $0;
    $path =~ s{[^\/]+$}{libs/};
}
use lib $path;

use MyLib;

##</code><code>##

package MyLib;

printf "Module %s loaded.\n", __PACKAGE__;

##</code><code>##

Module MyLib loaded.

##</code><code>##

$ perl -v | head -2

This is perl, v5.8.8 built for x86_64-linux-thread-multi