On Sat, Jun 28, 2008 at 04:25:28PM +0200, Miroslav Rudisin wrote:
> > On Mon, May 26, 2008 at 02:58:17PM +0200, Miroslav Rudisin wrote:
> > > children's PIDs are not printed when called in eval block
> > > 
> > > $ sleep 1000 &
> > > $ sleep 100 &
> > > $ jobs -p
> > > 14202
> > > 14201
> > > $ echo $(jobs -p)
> > > 
> > > $
> > 
> > Hi, I don't think that's a bug, the jobs builtin 'shall display the
> > status of jobs that were started in the current shell environment;'[0]
> > 
> > When running jobs in a subshell, you change the shell environment for
> > the jobs builtin.
> 
> ok, i understand. but then we have not reasonable way to store pids of 
> background
> process into shell variable...
> 
> $ sleep 1000 &
> $ sleep 100 &
> 
> $ for i in `jobs -p`; do echo $i; done  # doesn't work
> $ jobs -p | xargs                       # doesn't work
> 
> only working way is redirecting output to the file
> 
> $ jobs -p > /tmp/pids                   # this works

You should use $!.

Cheers,
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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