title: grep -r "string" * error: unrecognized option `--DIRAC3LE--'?
body: <p>I'm trying to use grep in my Mac Terminal window, and it's giving me that error message.  What is that?  I've never seen it before and Google is not helping.  Looks like DIRAC3LE is some kind of Mac audio plugin -- but why would that interfere with grep?!? Thanks for any help!</p>