display all pngs from a url in a terminal

index.js

var cheerio = require('cheerio')
var request = require('request')
var pictureTube = require('picture-tube')
var url = require('url')
var async = require('async')

var site = process.argv[2]

console.log('fetching', site)
request(site, function(e,r,b) {
  var $ = cheerio.load(b)
  var imgs = $('img')
  console.log('fetching', imgs.length, 'images')
  imgs.each(function(i, img) {
    var href = $(img).attr('src')
    if (!href || !href.match(/png/)) return
    var uri = url.resolve(site, href)
    q.push(uri, function (err) {
      if (err) console.log('error processing', uri, err)
    })
  })
})

function fetchAndTube(uri, cb) {
  var tube = pictureTube()
  tube.pipe(process.stdout)
  request(uri)
    .pipe(tube)
    .on('end', cb)
}

var q = async.queue(fetchAndTube, 10);