gistfile1.go

func redirect(to string, from *os.File) (err error) {
        if out, err := os.Create(name); err == nil {
                err = syscall.Dup2(int(out.Fd()), int(from.Fd()))
        } else {
                err = fmt.Errorf("Unable to create file %s", to)
        }

        return
}