func base64Tool()

in tools/base64.go [27:71]
37 lines of code
5 McCabe index (conditional complexity)

func base64Tool() error {

	var (
		helpFlag bool
		encode   string
		decode   string
	)

	flag.Usage = func() {
		fmt.Println(MarkdownHelp("base64"))
	}

	flag.BoolVar(&helpFlag, "h", false, "Display this help message")
	flag.BoolVar(&helpFlag, "help", false, "Display this help message")
	flag.StringVar(&encode, "e", "", "Encode a string to base64")
	flag.StringVar(&encode, "encode", "", "Encode a string to base64")
	flag.StringVar(&decode, "d", "", "Decode a base64 string")
	flag.StringVar(&decode, "decode", "", "Decode a base64 string")

	flag.Parse()

	if helpFlag {
		flag.Usage()
		return nil
	}

	if encode != "" {
		encodedString := base64.StdEncoding.EncodeToString([]byte(encode))
		fmt.Println(encodedString)
		return nil
	}

	if decode != "" {
		decodedBytes, err := base64.StdEncoding.DecodeString(decode)
		if err != nil {
			return err
		}
		decodedString := string(decodedBytes)
		fmt.Println(decodedString)
		return nil
	}

	flag.Usage()
	return nil
}