Sudoers list?

Matthew Palmer mpalmer at hezmatt.org
Wed Apr 5 09:43:32 UTC 2006


On Wed, Apr 05, 2006 at 10:08:12AM +0100, Daniel Carrera wrote:
> >>Another difference applies to well-intentioned but buggy scripts. When 
> >>you trust the script writer's intentions, but not his coding skills :) 
> >>it doesn't hurt to minimise the time spent as root.
> >
> >There is that.  Nothing like a bit of
> >
> >rm -rf /$INSTDIR
> >
> >without checking [ -n "$INSTDIR" ] first to really make somebody's day.
> 
> What does [ -n do?
> I assume that it checks whether $INSTDIR is not empty.

>From test(1):

       [-n] STRING
              the length of STRING is nonzero

Effectively equivalent to [ "$INSTDIR" != "" ].
                     
- Matt




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