#!/usr/bin/perl -w
use strict;
use warnings;

my @a = ();
my $foo = bless \@a, 'Cleanup';
print $foo;

package Cleanup;

use overload
  q{""}   => sub { undef },
  #q{""}   => sub { "foo" },
  q{0+}   => sub { undef },
  q{bool} => sub { undef };

1;

##</code><code>##

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web