use node to scrape and save some images from a url

imagescraper.coffee

#!/usr/bin/env coffee
sys = require 'sys'
fs = require 'fs'
http = require 'http'


tovisit = []
imgcount = 0

getImage= (url)->
  options =
    host: 'hostname.com'
    port: 80
    path: url
  http.get(options, (res)->
    size = parseInt(res.headers['content-length'],10)
    buffer = new Buffer(size)
    start = 0
    
    res.on 'data', (chunk)->
      chunk.copy(buffer,start,0,chunk.length)
      start += chunk.length
    
    res.on 'end', ()->
      filename =  url.match(/id=(\d+)/)[1] + '.jpg'
      fs.writeFile(filename , buffer, (err) ->
        console.log err if err
        imgcount++
      )
    
  ).on('error', (e)->
    console.log("Got error: " + e.message)
  )

tovisit.push "/path/to/img.jpg"

getImage(url) for url in tovisit
#console.log("wrote " + imgcount + " images")