code: func Format(format string) func(*icmd.Cmd) func() {
  	return func(cmd *icmd.Cmd) func() {
  		cmd.Command = append(
  			[]string{cmd.Command[0]},
  			append([]string{"--format", fmt.Sprintf("{{%s}}", format)}, cmd.Command[1:]...)...,
  		)
  		return nil
  	}
  }
docs: // Format sets the specified format with --format flag