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package main

/*
* Script that scrapes google front page
* Usage: ./google [<query>]
* e.g. ./google hacker news
*/

import (
  "fmt"
  "net/http"
  "net/url"
  "io"
  "os"
  "strings"
  "github.com/PuerkitoBio/goquery"
)


func checkError(err error){
  if err != nil {
    panic(err)
    os.Exit(1)
  }
}

func main() {
  query := strings.Join(os.Args[1:], "+")
  response, err := http.Get("http://google.com/search?q=" + query)
  checkError(err)

  defer response.Body.Close()
  doc, err := goquery.NewDocumentFromReader(io.Reader(response.Body))
  checkError(err)

  doc.Find("h3.r a").Each(func(i int, s *goquery.Selection) {
    str, exists := s.Attr("href")
    if exists {
      u, err := url.Parse(str)
      checkError(err)
      m, _ := url.ParseQuery(u.RawQuery)
      fmt.Println("\033[1;35m"+s.Text()+"\033[0m", m["q"][0])
    } else {
       fmt.Println(s.Text())
    }
  })

}