Re: `jobs` shows output even when nothing has been started in the background

[Chet Ramey]

On 6/14/23 6:12 PM, Ajeet D'Souza wrote:
> Hey Chet,
>
> Thanks for the quick reply. I have some follow-up questions:
>
>   * Is there an elegant way I can start an external process without it
>     showing up under jobs, even on affected versions? My current best idea
>     is: (_="$(/bin/echo)"; jobs -l)

You can try to disown it.

>   * Is there an elegant way I can get the correct number of jobs, even on
>     affected versions? My current best idea is to run jobsonce before doing
>     the count: (jobs &> /dev/null; jobs | wc -l)

You have to get the jobs you're not interested in removed from the jobs
table. That's as good a way as any if you don't know the job number or
if it's not the current job.


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/