case len(args) == 1 && (args[0] == "help" || args[0] == "--help" || args[0] == "-h"):
_, err := fmt.Print(usage)
if err != nil {
case len(args) == 1 && (args[0] == "help" || args[0] == "--help" || args[0] == "-h"):
_, err := fmt.Print(usage)
if err != nil {