func parseCmd()

in main/main.go [98:119]

• 21 lines of code
• 4 McCabe index (conditional complexity)

func parseCmd(args []string) cmd {
	if len(args) != 1 {
		if len(args) < 1 {
			fmt.Printf("Not enough arguments, %d", len(args))
			fmt.Println()
			fmt.Printf("%v", args)
			fmt.Println()
		} else {
			fmt.Println("Too many arguments")
		}
		printUsage(args)
		os.Exit(invalidCmdCode)
	}
	// ensure arguments passed are all lower case
	cmd, ok := cmds[strings.ToLower(args[0])]
	if !ok {
		printUsage(args)
		fmt.Printf("Incorrect command: %q\n", args[0])
		os.Exit(invalidCmdCode)
	}
	return cmd
}