Rekhyt

#!/usr/bin/env php
<?php
$fileIn = @$argv[1] ?: '';
$fileOut = @$argv[2] ?: '';

if (empty($fileIn) || empty($fileOut)) die("No files defined.\n\n");
if (!file_exists($fileIn)) die("File {$fileIn} does not exist.\n\n");

$xml = new SimpleXmlElement(file_get_contents($fileIn));
$dom = dom_import_simplexml($xml)->ownerDocument;