#!/bin/ash

export PATH=/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin
env >> /root/snap.log
which zfs >> /root/snap.log
which ash

for u in $(ls /home); do
  zfs snapshot tank/ROOT/homes/$u@$(date "+%Y%m%d") >> /root/snap.log 2>&1
  zfs destroy tank/ROOT/homes/$u@$(date --date="-5 days" "+%Y%m%d") >> /root/snap.destroy.log 2>&1
done