iguooo.js

#!/usr/bin/env node

// 
// ~$ yarn add superagent cheerio
// ~$ ./iguooo.js > gifs.list
// ~$ cat iguooo.list | awk '{ print $1 }' | wget -Nci -
// 
const cheerio = require('cheerio');
const request = require('superagent');
const regexp  = /background-image:\s?url\([\'"]?(.[^\'"]+)[\'"]?\)/;

var list = [], count = 0;

(function loop(){

  // 1. http://iguooo.com/gif_1000?s=100000
  // 2. http://www.wulangdashu.com/pic_100
  request.get('http://www.wulangdashu.com/pic_100', function(err, res){
    var $ = cheerio.load(res.text);
    $('.item a.slide').each(function(i, slide){
      slide = $(slide);
      var item = slide.closest('.item');
      var img  = regexp.exec(slide.attr('style'))[1];
      var desc = $('.desc-w > p', item).text();
      if(!~list.indexOf(img)) {
        list.push(img);
        console.log(img, desc);
      }
    });
    if(list.length > count){
      count = list.length;
      loop();
    }
  });

})();