[NCLUG] Bashing lost children

Michael Dwyer mdwyer at sixthdimension.com
Wed Apr 10 10:59:22 MDT 2002


Well... except in a case like this:

  sleep 30 | logger &
  echo $! >/var/run/sleep.pid

it stores the PID of 'logger' instead of sleep...  Argh.

Michael Dwyer wrote:
> 
> Wooooohooo!!  Thank you!  It is in the man page, too, but I was
> searching for the word "PID".  I didn't think of searching for "process
> ID"... sheesh.  Thanks again!
> 
> Tkil wrote:
> >
> > >>>>> "Michael" == Michael Dwyer <mdwyer at sixthdimension.com> writes:
> >
> > Michael> Okay, so you know how the shell variable $$ stands for the
> > Michael> PID of the shell?  Great.  Now, what if you want to keep
> > Michael> track of the PID of a process that the shell spawns.
> >
> > info '(bash)Special Parameters':
> >
> > | `!'
> > |      Expands to the process ID of the most recently executed
> > |      background (asynchronous) command.
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