#! /bin/bash

set -eu

test $# -ne 2 && { echo "Usage: $0 start|stop|restart service" ; exit 42 ; }

case $1 in
   (start)
      echo "starting $2"
      ;;
   (stop)
      echo "stopping $2"
      ;;
   (restart)
# ne marche que si le script est exécutable
      $0 stop $2
      $0 start $2
      ;;
   (*)
      echo "action inconnue"
      exit 1
      ;;
esac