retval of pipelined cmd in bash
Randall R Schulz
rrschulz@cris.com
Fri Dec 20 20:42:00 GMT 2002
Elfyn,
If you looker more closely, you'll see that Sören already knows about the
$? variable.
Randall Schulz
At 14:51 2002-12-20, Elfyn McBratney wrote:
>Hello Soren,
>
>What you need is the $? variable. The simplest testcase would be this:
>
> >>> rt.c
>int
>main()
>{
> return(21);
>}
><<<
>
> [root@webdev]:{509}:% gcc rt.c -o rt
> [root@webdev]:{510}:% ./rt
> [root@webdev]:{511}:% echo $?
> 21
> [root@webdev]:{512}:%
>
>Elfyn
>elfyn@exposure.org.uk
>
>
>--- Soren A <soren_andersen@fastmail.fm> wrote:
> >Hallo Cygwains,
> >
> >...
> >----------------------------------8<-----------------------------------
> > function powermake
> > {
> > declare -x LESS='-z-2$ -s~wR'
> > declare PAGER='/bin/less'
> > declare +x ECODE=
> > { make "$@" || ECODE=$? ; } 2>&1 | tee $MAKE_ERR_TO | \
> > /cdv/f/scr/colormake.pl | $PAGER -O"${MAKE_ERR_TO}.colorlog"
> > if [[ $ECODE ]] # "0" and "1" are both TRUE; "null" is FALSE.
> > then $gvimexe --servername 'QUICKFIX' -q "$(cygpath -wla
> $MAKE_ERR_TO)"
> > else echo 'No "make" errors to diagnose: retval was ' '"'$ECODE'".'
> > fi
> > return $ECODE
> > }
> >----------------------------------8<-----------------------------------
> >
> >...
> >
> > Thanks,
> > Soren
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