[linux-lvm] Simple scripts for use in automated backups?
Stuart D. Gathman
stuart at bmsi.com
Wed Apr 23 19:18:49 UTC 2008
On Wed, 23 Apr 2008, Tomasz Chmielewski wrote:
> *Usually*, a command exits with code 0 if it finishes with a success.
>
> In bash, you can check the exit code with $? variable.
>
> So:
>
>
> lvmcommand --option1 --option2
>
> if [ $? -eq 0 ] ; then
> do_this
> else
> do_that
> fi
Even easier, the shell considers exit code 0 as "true", so the above is simply:
if lvmcommand --option1 --option2; then
do_this
else
do_that
fi
--
Stuart D. Gathman <stuart at bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
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