GoCourseDay.go

// http://go.googlecode.com/hg-history/release-branch.r60/doc/GoCourseDay1.pdf

package main

import (
  "fmt"
  "log"
  "os/exec"
  "strconv"
  s "strings"
)

func main() {
  fmt.Println("Downloading pdfs")

  url_pattern := "http://go.googlecode.com/hg-history/release-branch.r60/doc/GoCourseDay$1.pdf"

  for i := 1; i < 4; i++ {
    number := strconv.Itoa(i)
    download_url  := s.Replace(url_pattern, "$1", number, -1)
    log.Printf("starting with %s", download_url)
    cmd := exec.Command("wget", download_url)
    err := cmd.Start()
    if err != nil {
      log.Fatal(err)
    }

    err = cmd.Wait()
  }
}