Sorry, this should just have been $PATH.

Ah, ok.  "echo $PATH" gives
/Applications/TextMate.app/Contents/SharedSupport/Support/bin/CocoaDialog.app/Contents/MacOS:/opt/local/bin:/opt/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/Applications/TextMate.app/Contents/SharedSupport/Support/bin

Cassio