Re: Bash commands

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

Russell wrote:
> 
> 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 $?

This works to:
  if mount | grep -qs /dev/hdc1; then echo $?; fi

I might have gotten somewhere initially if i hadn't have
used those square [] brackets.