func (d *Dataset) Children(depth uint64) ([]*Dataset, error) {
	args := []string{"list"}
	if depth > 0 {
		args = append(args, "-d")
		args = append(args, strconv.FormatUint(depth, 10))
	} else {
		args = append(args, "-r")
	}
	args = append(args, "-t", "all", "-Hp", "-o", dsPropListOptions)
	args = append(args, d.Name)

	out, err := zfs(args...)
	if err != nil {
		return nil, err
	}

	var datasets []*Dataset
	name := ""
	var ds *Dataset
	for _, line := range out {
		if name != line[0] {
			name = line[0]
			ds = &Dataset{Name: name}
			datasets = append(datasets, ds)
		}
		if err := ds.parseLine(line); err != nil {
			return nil, err
		}
	}
	return datasets[1:], nil
}
func (d *Dataset) Children(depth uint64) ([]*Dataset, error) {
	args := []string{"list"}
	if depth > 0 {
		args = append(args, "-d")
		args = append(args, strconv.FormatUint(depth, 10))
	} else {
		args = append(args, "-r")
	}
	args = append(args, "-t", "all", "-Hp", "-o", dsPropListOptions)
	args = append(args, d.Name)

	out, err := zfs(args...)
	if err != nil {
		return nil, err
	}

	var datasets []*Dataset
	name := ""
	var ds *Dataset
	for _, line := range out {
		if name != line[0] {
			name = line[0]
			ds = &Dataset{Name: name}
			datasets = append(datasets, ds)
		}
		if err := ds.parseLine(line); err != nil {
			return nil, err
		}
	}
	return datasets[1:], nil
}
// Children returns a slice of children of the receiving ZFS dataset.
// A recursion depth may be specified, or a depth of 0 allows unlimited
// recursion.