On 26 February 2013 23:45, [email protected] <[email protected]> wrote:
> I am using a script where I check if /home and /backup are present in
> /etc/mtab but can't manage the 'and' operator in grep. Currently I use the
> 'if grep -q "/home" ; then ......... then I do 'fi' and again 'if grep -q
> "/backup" to finally go to my commands. I tried to make grep do the AND combo
> but got errors as it works only on one line. I want my command to start only
> if both /home and /backup are present in mtab. With my dual check method it
> works, but I want a clean lean script.
How about:
if [ $( grep -cE '/(home|backup)' /etc/mtab ) = 2 ]; then
echo Found both mounts
else
echo Found only one of the two mounts
fi
(Refine as per your needs)
Binand
--
http://mm.ilug-bom.org.in/mailman/listinfo/linuxers
