Linux bash script to attempt restarting specifed cups print queues

printer_restart.sh

#!/bin/sh
# restart print queues

process()
{
  host=$1 queue=$2

  ping -c 1 ${host} 2>&1 >/dev/null
  status=$?

  if [ $status -eq 0 ]
  then
    down=`lpq -P${queue} | grep "is not ready" | wc -l`

    if [ $down -gt 0 ]
    then
      echo "Restarting queue ${queue}" #| mail -s "print queue" nobody
      /usr/sbin/cupsenable ${queue}
    fi

  fi
}

main()
{
  process printer1.domain.com printer1
  process printer2.domain.com printer2
  ... etc
}