Application Packaging Developer's Guide

The r.cron Removal Class Action Script

# PKGINST parameter provided by installation service
while read path
do
user=`basename $path` ||
exit 2
(crontab -l $user |
sed -e "/#$PKGINST$/d" > /tmp/$$crontab) ||
exit 2
crontab $user < /tmp/$$crontab ||
exit 2
rm -f /tmp/$$crontab
done
exit