Re: Bash commands

[Russell <rjshaw@iprimus.com.au>]

Allan Wind wrote:
> 
> On 2002-09-01 14:25:53, Russell wrote:
> >
> >   debpc:# if [ -n df /mnt | grep -ie "/dev/hdc1" ] ; then echo "yes" ; fi
> 
> You need the put 'df ..' in back quotes (``) to get it executed,
> but usually the exist status ($?) of grep is used to do this:
> 
> df /mnt | grep -ie /dev/hdc1 > /dev/null; if [ $? -nq 0 ]; then echo "yes"; fi
> 
> or shorter:
> 
> mount | grep -qs /dev/hdc1 && echo yes

This works good. I've been looking for a way just to print the
exit status ( $? ) which i know now:)

  debpc:#  mount | grep -qs /dev/hdc1 ; echo $?