func run()

in cmd/snappytool/main.go [17:39]

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

func run() error {
	flag.Parse()
	if *decode == *encode {
		return errors.New("exactly one of -d or -e must be given")
	}

	in, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		return err
	}

	out := []byte(nil)
	if *decode {
		out, err = snappy.Decode(nil, in)
		if err != nil {
			return err
		}
	} else {
		out = snappy.Encode(nil, in)
	}
	_, err = os.Stdout.Write(out)
	return err
}