The syntax for xml-xalan, from its documentation, is:

$tr->transform_to_file($parsed, $compiled, $dest_file)
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Where "$parsed" is the input xml file, $compiled is the input XSL, and $dest_file is the output file.

What I would like to do is instead of outputting the file keep it in memory (preferably as a string or array of lines).

Is there a way to do this, or do i need to output a temp file and then read that back into the system.