cmds.Text: func(res cmds.Response) (io.Reader, error) { if len(res.Request().Arguments()) == 2 { return nil, nil // dont output anything } v := res.Output() if v == nil { k := res.Request().Arguments()[0] return nil, fmt.Errorf("config does not contain key: %s", k) } vf, ok := v.(*ConfigField) if !ok { return nil, u.ErrCast() } buf, err := config.HumanOutput(vf.Value) if err != nil { return nil, err } buf = append(buf, byte('\n')) return bytes.NewReader(buf), nil }, }, Type: ConfigField{}, Subcommands: map[string]*cmds.Command{ "show": configShowCmd, "edit": configEditCmd, "replace": configReplaceCmd, }, }