* exit status of jobs
@ 1996-05-14 3:26 Harmanjit Singh
1996-05-14 11:25 ` Peter Stephenson
0 siblings, 1 reply; 2+ messages in thread
From: Harmanjit Singh @ 1996-05-14 3:26 UTC (permalink / raw)
To: zsh-workers
Hello,
I am using zsh 2.6beta13 on sparc-icl-sysv4.2.
In bash 1.13.5 (at least), the jobs command returns a
meaningful exit status. This feature has been used in various
bash scripts to determine whether a job is running or not.
This could be useful, I guess. Could it be incorporated?
Only a trivial modification is needed.
Regards,
Harmanjit Singh.
P.S. I am new on this list, so please forgive any newbieness.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: exit status of jobs
1996-05-14 3:26 exit status of jobs Harmanjit Singh
@ 1996-05-14 11:25 ` Peter Stephenson
0 siblings, 0 replies; 2+ messages in thread
From: Peter Stephenson @ 1996-05-14 11:25 UTC (permalink / raw)
To: zsh-workers
> In bash 1.13.5 (at least), the jobs command returns a
> meaningful exit status. This feature has been used in various
> bash scripts to determine whether a job is running or not.
This does seem perfectly reasonable: at the moment you get the error
message `no such job' and return status 0 which is inconsistent. I've
assumed typing `jobs' with no argument should not return an error if
there are no jobs (as in bash).
*** Src/builtin.c.jobs Fri May 10 13:32:12 1996
--- Src/builtin.c Tue May 14 13:22:26 1996
***************
*** 563,570 ****
/* The only type of argument allowed now is a job spec. Check it. */
job = (*argv) ? getjob(*argv, name) : firstjob;
firstjob = -1;
! if (job == -1)
break;
if (!(jobtab[job].stat & STAT_INUSE) ||
(jobtab[job].stat & STAT_NOPRINT)) {
zwarnnam(name, "no such job: %d", 0, job);
--- 563,572 ----
/* The only type of argument allowed now is a job spec. Check it. */
job = (*argv) ? getjob(*argv, name) : firstjob;
firstjob = -1;
! if (job == -1) {
! retval = 1;
break;
+ }
if (!(jobtab[job].stat & STAT_INUSE) ||
(jobtab[job].stat & STAT_NOPRINT)) {
zwarnnam(name, "no such job: %d", 0, job);
--
Peter Stephenson <pws@ifh.de> Tel: +49 33762 77366
WWW: http://www.ifh.de/~pws/ Fax: +49 33762 77330
Deutches Electronen-Synchrotron --- Institut fuer Hochenergiephysik Zeuthen
DESY-IfH, 15735 Zeuthen, Germany.
^ permalink raw reply [flat|nested] 2+ messages in thread
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