[K12OSN] some scripting help

[Robert Arkiletian]

On 5/11/07, Les Mikesell <les at futuresource.com> wrote:
> Huck wrote:
> > found this in my archives:
> >
> > Wrote one for you....try this...make it executable.
> >
> >
> > !#/bin/bash
> > for x in `ls /home`; do
> > echo "Doing $x ..."
> > cd /home/${x}/.mozilla/firefox/*.default/Cache
> > rm -Rf *
> > done
>
> Error checking tends to be optional in shell scripts, but something
> nasty might happen if you had an ordinary file in /home.  The cd would
> fail and you'd proceed to remove everything in and under your current
> directory...
> I'd recommend a change to:
> cd /home/${x}/.mozilla/firefox/*.default/Cache && rm -Rf *
> which means only execute the rm if the cd succeeds instead of doing it
> unconditionally on the following line.
>
> I'm not always this pedantic - just when 'rm *' is involved...
>

Agreed. So would this be better?

!#/bin/bash
for x in `ls /home`; do
echo "Doing $x ..."
rm -rf  /home/${x}/.mozilla/firefox/*.default/Cache
done



-- 
Robert Arkiletian
Eric Hamber Secondary, Vancouver, Canada
Fl_TeacherTool http://www3.telus.net/public/robark/Fl_TeacherTool/
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