Hi, I just tried your input xslt is an input file and tried using xml::Twig module
i got the output. Is this your requirement?. if not i will give better result next time.

use XML::Twig;

my $twig = new XML::Twig( TwigRoots => { 'xsl:param[@name=\'test\']' =
+> \&output });
$twig->parsefile( shift @ARGV );

sub output {
  my( $tree, $elem ) = @_;
  print $elem->text, "\n";
}

OUTPUT:
testdata
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