So you're running 'sh' scripts, right? none of that new-fangled bash stuff... Oh, and be very careful of the commands your script invokes! shell scripts have

So you're running 'sh' scripts, right? none of that new-fangled bash stuff... Oh, and be very careful of the commands your script invokes! shell scripts have no guarantee of portability (often less than Python, which has a rich standard library available on all platforms).