freebsd-dev/etc/periodic/daily/130.clean-msgs

#!/bin/sh
#
# $FreeBSD$
#
# Remove system	messages
#

# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
    . /etc/defaults/periodic.conf
    source_periodic_confs
fi

case "$daily_clean_msgs_enable" in
    [Yy][Ee][Ss])
	if [ ! -d /var/msgs ]
	then
	    echo '$daily_clean_msgs_enable is set but /var/msgs' \
		"doesn't exist"
	    rc=2
	else
	    echo ""
	    echo "Cleaning out old system announcements:"

	    [ -n "$daily_clean_msgs_days" ] &&
		arg=-${daily_clean_msgs_days#-} || arg=
	    msgs -c $arg && rc=0 || rc=3
	fi;;

    *)  rc=0;;
esac

exit $rc