Function execute

fodcmd/main.go:50–60

(p string, fn func(io.Writer, ...string) error, domains ...string)

}

func execute(p string, fn func(io.Writer, ...string) error, domains ...string) error {
	if p != "" {
		fl, err := openFile(p)
		check(err)
		defer fl.Close()

		return fn(fl, domains...)
	}

	return nil
}

func main() {
	flag.Parse()