#! /bin/sh
#
# http://sbl.salk.edu/lb/doc/UNIX_CD/upt/ch38_11.htm
#
# watchq - "daemon" script that watches printer queue(s) for errors
temp=/tmp/WATCHQ$$             # Holds output of lpq
watch=/usr/local/lib/watchqs   # Queue names to watch
writeto=lisa                   # User who gets notices about printer
queues="`cat $watch`"          # Put list of queue names in $queues
trap 'queues="`cat $watch`"' 1 # Reset $queues if we get a SIGHUP
trap 'rm -f $temp; exit' 0 15  # Clean up temp file when killed

# Loop forever (until someone kills script):
while :
do
    for queue in $queues
    do
        lpq -P$queue >$temp
        if egrep '(out of paper|error|warning)' $temp >/dev/null
        then echo "PRINTER QUEUE $queue:" | cat - $temp | write $writeto
        fi
    done
    sleep 30
done
#
# End of file


#!/bin/ksh
#
# stop start the daemon script  ( nohup )
# ----------------------------
#
  case "$1" in

   'start')
            nohup /path-to/mydeamonscript  >> /path-to/mylogfile  2>&1&
            ;;
   'stop')
       pid=`ps -ef | grep mydeamonscript | grep -v grep | awk '{print $2} ' `
       if test "$pid" ;  then
        /usr/bin/kill $pid
       else
              echo "No PID file. Process may not be running"
       fi
        ;;
  *)
      echo "Usage: $0 { start | stop }"
      ;;
  esac
  exit 0
#
# End of file