Listing 1 stop_cron

#!/bin/sh
# Listing 1: stop_cron

. /etc/setenv_path

users=$@

if [ -z "$users" ]
then
    while read user
    do
        users="$users $user"
    done
fi

CRON_ALLOW=/etc/cron.d/cron.allow
SORTINGHAT_DIR=/opt/SortingHat

for user in $users
do
    if grep -w $user $CRON_ALLOW
    then
        echo "Stopping ${user}'s cron..."
        file=/var/spool/cron/crontabs/$user
        if [ -f $file ]
        then
            $SORTINGHAT_DIR/bin/SortingHat -b $file
        fi
        crontab -r $user
        echo "${user}'s cron has been stopped."
    else
        echo "$user is not in $CRON_ALLOW"
    fi
done