xkcd-go

Golang tool to read latest, random, or a specific xkcd comic (and download it too).
git clone http://git.hanabi.in/repos/xkcd-go.git
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save-xkcd.go (642B)

      1 package xkcd
      2 
      3 import (
      4 	"fmt"
      5 	"io"
      6 	"log"
      7 	"os"
      8 )
      9 
     10 // Save xkcd numbered num in /tmp
     11 func SaveXKCD(num int) (msg string) {
     12 	api := detectAPI(num)
     13 	data := xkcdAPI(api)
     14 	num = data.Num
     15 	ext := getExt(data.Img)
     16 	img := getImg(data.Img, data.Link, ext)
     17 	img_resp := httpGet(img)
     18 	img_body := img_resp.Body
     19 	defer img_body.Close()
     20 	filename := fmt.Sprintf("/tmp/xkcd-%d.%s", num, ext)
     21 	file, err := os.Create(filename)
     22 	if err != nil {
     23 		log.Fatalf("Unable to save file.  See %v.\n", err)
     24 	}
     25 	defer file.Close()
     26 	if _, err := io.Copy(file, img_body); err != nil {
     27 		log.Fatal(err)
     28 	}
     29 	msg = fmt.Sprintf("Saved %d to /tmp.\n", num)
     30 	return msg
     31 }