Re: [PLUG] using rm -rf

[sean finney <seanius@seanius.net>]

On Sat, Aug 14, 2010 at 03:30:15PM -0400, JP Vossen wrote:
> >Date: Sat, 14 Aug 2010 00:00:14 -0400
> >From: Gordon Dexter<gordon@texasdex.com>
> >
> >I know I'm not the best shell scripter but this one seems to work.
> >Watch out though, I once managed to accidentally delete the contents of
> >/bin on one of the campus servers with a shell script I wrote that was
> >supposed to delete old webcam images.:-)
> [...]
> >     rm -rf $TMPDIR/snap_*
> 
> Watch out for that kind of thing.  This one is OK, but guess what
> happens if:
> 	unset TMPDIR
> 	rm -rf $TMPDIR/*

this is a great use case for "set -u" btw :)

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