zfs-snapshot-clean
------------------

This is a tool to sieve ZFS snapshots as per given spec a la
`pdumpfs-clean'.

Typical usage is as follows:

  for vol in zpool/home zpool/var; do
    zfs snapshot "$vol@$(date +%Y-%m-%d)" && zfs-snapshot-clean "$vol"
  done

Run `zfs-snapshot-clean -h' for details.