ReadLine / read a '\n' terminated line about serial HOT 2 OPEN

ser, err := serial.OpenPort(conf)
if err != nil {
  log.Fatal(err)
}
scanner := bufio.NewScanner(ser)
for scanner.Scan() {
  fmt.Println(scanner.Text())
}
if scanner.Err() != nil {
  log.Fatal(err)
}

package main

import (
	"github.com/tarm/serial"
	"bufio"
	"fmt"
)

const SERIAL_PORT_NAME = "COM5"
const SERIAL_PORT_BAUD = 9600

func main() {
	conf := &serial.Config{Name: SERIAL_PORT_NAME, Baud: SERIAL_PORT_BAUD}
	ser, err := serial.OpenPort(conf)
	if err != nil {
		log.Fatalf("serial.Open: %v", err)
	}
	reader := bufio.NewReader(ser)
	reply, _ := reader.ReadBytes('\x0a')
	fmt.Println(reply)
}