--- /dev/null
+<?php
+/**
+ * Prints out messages that are the same as the message with the corrisponding
+ * key in the Language.php file
+ *
+ * @package MediaWiki
+ * @subpackage Maintenance
+ */
+
+require_once('commandLine.inc');
+
+if ( 'en' == $wgLanguageCode ) {
+ print "Current selected language is English. Cannot check translations.\n";
+ exit();
+}
+
+$count = $total = 0;
+$msgarray = 'wgAllMessages' . ucfirst( $wgLanguageCode );
+
+foreach ( $$msgarray as $code => $msg ) {
+ ++$total;
+ if ( @$wgAllMessagesEn[$code] == $msg ) {
+ echo "* $code\n";
+ ++$count;
+ }
+}
+
+echo "{$count} messages of {$total} are duplicates\n";
+?>