#!/usr/bin/perl 

use warnings;
use strict;
use XML::Twig;

my $xml = <<XML;
<config>
  <computer id="one" type="mac" os="XP" >
        <lease true="yes" />
        <extra_device value="scanner"/>
        <entertainment>
           <game id="tekken" company="nameco" />
             <platform value="pc only" />
             <year value="1980" />
           <game id="tekken 2" company="ninja" />
             <platform value="pc and mac" />
             <year value="1989" />
        </entertainment>
  </computer>
  <computer id="two" type="pc" os="NT" >
        <lease true="no" />
        <work>
            <software value="final" />
        </work>                  
  </computer>

  <company_name id="nameco" origin="ca" type="violence" production="yes">
        <sponsor name="sony" percentage="30" active="true"/>
             <sponsorlist>
                  <sponsor id="sony1" active="false"/>
                  <sponsor id="sony2" active="true"/>
                  <sponsor id="sony3" active="false"/>
             </sponsorlist>
  </company_name>
  <company_name id="ninja" origin="ny" type="extreme violence" production="yes">
        <sponsor name="WB" percentage="20" active="true"/>
             <sponsorlist>
                  <sponsor id="WB1" active="false"/>
             </sponsorlist>
  </company_name>
</config>
XML

my $yahoo = 'one';

my $result = '';
my $twig = XML::Twig->new ( twig_roots => { computer => sub { oneHandler ( \$result, @_, $yahoo);} } );

$twig->parse($xml);

sub oneHandler {
    my ($result_ref, $twig, $elt,$yabal ) = @_;
   
    if ($elt->att('id') eq $yabal ) { 
            #print $$result_ref, $elt->att('id') . "\n";
            $elt->print;
            exit 1;
    }
    usage();
}


sub usage {
  print "you suck\n";
  exit 1;
}