check_rebootrequired.sh/check_rebootrequired.sh

INPUT="/var/run/reboot-required.pkgs"

if [ ! -f "$INPUT" ]; then
	echo "OK"
	exit 0
fi

NUM_LINES=`cat "$INPUT" | wc -l`

case $NUM_LINES in
	0)
		echo "UNKNOWN: $INPUT is empty"
		exit 4
		;;
	1)
		echo "WARNING: $NUM_LINES package requires a reboot:"
		cat "$INPUT"
		exit 1
		;;
	[2-9]*)
		echo "WARNING: $NUM_LINES packages require a reboot:"
		cat "$INPUT"
		exit 1
		;;
	*)
		echo "UNKNOWN: Unexpected output of 'wc': $NUM_LINES"
		exit 4
		;;
		
esac