freebsd-dev/etc/periodic/daily/300.calendar

#!/bin/sh
#
# $FreeBSD$
#
# `calendar -a' needs to die. Why? Because it's a bad idea, particular
# with networked home directories, but also in general.  If you want the
# output of `calendar' mailed to you, set up a cron job to do it,
# or run it from your ~/.profile or ~/.login.
#

exit 0		# do not run by default

if [ -f /usr/bin/calendar ] ; then
    echo ""
    echo "Running calendar:"

    calendar -a
fi