#! /bin/sh
# upate the cron entries for the user name who is running this script
#
# Get info
#
echo Updating the cron entries for `whoami`
TMP="/tmp/$$.`whoami`"
TMP2="/tmp/2.$$.`whoami`"

crontab -l > $TMP
cp $TMP $TMP2

vi $TMP

echo "Changes made:"
if diff $TMP2 $TMP
then
	exit 0
fi

echo "Install this new crontab file for `whoami` (y or n)?  \c"

while true
do
	read response
	case $response in
		Y | y)	
			crontab $TMP
			echo "Done."
			break
			;;

		N | n)
			/bin/rm -f $TMP $TMP2
			exit 0
			;;
		Q | q)
			/bin/rm -f $TMP $TMP2
			exit 0
			;;

		*)
			echo  "	Please specify either Y or N. (Type Q to quit.)   \c"
			;;
	esac
done

/bin/rm -f $TMP $TMP2

exit 0