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Variables

var Cmd = &cli.Command{
	Name:  "tree",
	Usage: "Display directory structure",
	Flags: []cli.Flag{
		&cli.IntFlag{Name: "depth, L", Value: 3, Usage: "Maximum depth"},
	},
	Action: func(ctx context.Context, cmd *cli.Command) error {
		depth := cmd.Int("depth")
		dirs := cmd.Args().Slice()

		if len(dirs) == 0 {
			dirs = []string{"."}
		}

		for _, dir := range dirs {
			fmt.Println(dir)
			printTree(dir, "", depth, true)
		}
		return nil
	},
}