which

var Cmd = &cli.Command{
	Name:  "which",
	Usage: "Show the full path of a command",
	Action: func(ctx context.Context, cmd *cli.Command) error {
		files := cmd.Args().Slice()
		if len(files) == 0 {
			return fmt.Errorf("missing command name")
		}

		for _, name := range files {
			path, err := findCommand(name)
			if err != nil {
				return fmt.Errorf("which: no %s in PATH", name)
			}
			fmt.Println(path)
		}
		return nil
	},
}