my $parser = XML::LibXML->new();
 my $xslt = XML::LibXSLT->new();

 my $source = $parser->parse_file($xmlfile);
 my $style_doc = $parser->parse_file($xslfile);


 my $stylesheet = $xslt->parse_stylesheet($style_doc);
 
 my $results = $stylesheet->transform($source, args => "' '",val => "'
+2'",myname => "'$in{'myname'}'",idx => "'$in{'idx'}'");

 print $stylesheet->output_string($results);