#!/usr/local/bin/perl
use XML::Twig;
use Net::Telnet();

$db = "hrdm2";
$comm = "stop-$db.sh";
$cachedel = "No";
$done = 0;

my $s= new XML::Twig( TwigHandlers=> { Product => \&product});
$s->parsefile( 'testservers2.xml');
exit;

sub product
  {
  my ($s, $product)= @_;
  return if $done;
    my %product;

  # In all your if/elsif statements add
  $done = 1;

  # Rest of your code

}