scan-req.go

package main

import (
	"bufio"
	"fmt"
	"io"
	"log"
	"net/http"
	"time"
)

func main() {
	err := request("http://www.google.com")

	if err != nil {
		log.Fatal(err)
	}

	// just keep main alive with sleep for now
	time.Sleep(2 * time.Second)
}

func request(url string) error {
	res, err := http.Get(url)

	if err != nil {
		return err
	}

	go scanLineWise(res.Body)
	go scanWordWise(res.Body)

	return err
}

func scanLineWise(r io.Reader) {
	s := bufio.NewScanner(r)
	s.Split(bufio.ScanLines)

	i := 0

	for s.Scan() {
		i++
	}

	fmt.Printf("Counted %d lines.\n", i)
}

func scanWordWise(r io.Reader) {
	s := bufio.NewScanner(r)
	s.Split(bufio.ScanLines)

	i := 0

	for s.Scan() {
		i++
	}

	fmt.Printf("Counted %d words.\n", i)
}