You don't even need to bother with all of that code, if you just use the right module

use strict;
use warnings;
use WWW::Mechanize;

my $mech = WWW::Mechanize->new;

$mech->get( 'http://bleep.com/index.php' );

printf "%s\n", $_->URI for $mech->links;
[download]

See also: WWW::Mechanize::Link

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)