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This is the comment you were replying to, attached to the article Sysvconfig: How not to go postal over a service :

#9
Re: psp for any UNIX system, my own "service" script
Posted by khopesh (129.10.xx.xx) on Thu 21 Feb 2008 at 22:06
... I usually try to update scripts before posting them so they look nice and reflect my latest IT and bourne scripting knowledge; my psl() above fails to let you send arguments to egrep. You can fix that as follows: 
...
    else
      while [ "${1#-}" != "$1" ]; do  # skip over arguments to grep
        args="$args $1"
        shift
      done
      start="${*%[!]?*+.)$]}"
      end="${*#$start}"
      psax |$grep -i $args "$start${end:+[$end]}"
  fi
}
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