Function getReader

cmd/bcstate/bcstate.go:65–76

(arg string)

}

func getReader(arg string) io.ReadCloser {
	switch arg {
	case "":
		return nil
	case "-":
		return os.Stdin
	default:
		f, err := os.Open(arg)
		must(err)
		return f
	}
}

func must(err error) {
	if err != nil {