You will need to include some options to run various programs. Here are some samples, but the directories may vary depending on your configuration.
The xmx is to increase memory so that you don't blow up. If you only do a few dozen locales, you don't need to set it that high.
-f regex // to only check locales matching the regex, like ".*" or "en|fr|de" ...
-DSHOW_FILES // shows files being opened and created