On Thu, Nov 09, 2023 at 10:17:35PM +0100, Andreas Schwab wrote:
> On Nov 09 2023, Greg Wooledge wrote:
>
> > re='^\[([0-9]+)\]'
> > jobspecs=()
> > while IFS= read -r line; do
> > if [[ $line =~ $re ]]; then
> > jobspecs+=( "%${BASH_REMATCH[1]}" )
> > fi
> > done < <(jobs -l)
>
> That fails for multi-line commands that happen to contain matches for
> re.
>
> $ (sleep 100; printf $'\n[100]\n') &
Fair enough. I believe *nothing* would work in that case; the output of
"jobs -l" cannot be safely parsed in its current form.
Adding a NUL-delimited output option might work around that, but if we're
modifying the jobs builtin, we might as well just add the -i or -j option
instead.