use LWP::Simple;
  
$url = 'http://ecs.amazonaws.com/onca/xml?Service=AWSECommerceService&Version=2005-03-23&Operation=ItemSearch&ContentType=text%2Fxml&SubscriptionId=xxxxxxxxxx&SearchIndex=Music&Keywords=5099921688607&ResponseGroup=OfferFull,Small';

my $content = get $url;