cat /usr/sfw/sbin/snapzfs
#!/bin/sh
# Description: Takes daily snapshots of zfs fs
# Date: 20070712
# Credit: jamesd at http://uadmin.blogspot.com/
date=`date +%A`
test -f /usr/sfw/etc/zfs_snaps_to_take || exit 11
for i in `cat /usr/sfw/etc/zfs_snaps_to_take | grep -v '^#'`
do
    /usr/sbin/zfs snapshot $i@$date
done
exit 0