Saivert

<?phpheader('Content-type: text/plain');function rec_scan($folder) {  $handle = opendir($folder);  while (false !== ($file = readdir($handle))) {	if (is_file($folder.'/'.$file)) {		echo "Renaming $folder/$file\n";		rename($folder.'/'.$file, strtolower($folder.'/'.$file));	} elseif (is_dir($folder.'/'.$file) && $file != "." && $file != ".." ) {		echo "Traversing to $folder/$file\n";		rec_scan($folder.'/'.$file);	}  }  closedir($handle);}if ( isset($argv[1]) ) {	rec_scan($argv[1]);} else {	rec_scan(dirname($_SERVER['SCRIPT_FILENAME']));}?>