zfs.go
func (d *Dataset) GetProperty(key string) (string, error) {
	out, err := zfs("get", "-H", key, d.Name)
	if err != nil {
		return "", err
	}

	return out[0][2], nil
}
func (d *Dataset) GetProperty(key string) (string, error) {
	out, err := zfs("get", "-H", key, d.Name)
	if err != nil {
		return "", err
	}

	return out[0][2], nil
}
// GetProperty returns the current value of a ZFS property from the
// receiving dataset.
// A full list of available ZFS properties may be found here:
// https://www.freebsd.org/cgi/man.cgi?zfs(8).