download all public tweets of a twitter user

gistfile1.js

var http = require('http'),
    querystring = require('querystring'),
    fs = require('fs');

var screenname = '5000lobsters';

fs.mkdirSync(process.cwd() + '/tweets');

var getTweets = function(screenname, page) {
  page = page || 0;
  var query = {
    screen_name: screenname,
    page: page,
    include_rts: false,
    trim_user: true
  };
  var options = {
    host: 'api.twitter.com',
    port: 80,
    path: '/1/statuses/user_timeline.json?' + querystring.stringify(query)
  };
  http.get(options, function(res) {
    res.setEncoding('utf8');
    var body = '';
    res.on('data', function(data) {
      body += data;
    });
    res.on('end', function() {
      var tweets = JSON.parse(body);
      if (!tweets.length) {
        return;
      }
      tweets.forEach(function(tweet) {
        var path = [process.cwd(), 'tweets', tweet.id_str + '.json'].join('/');
        console.log
        fs.writeFileSync(path, JSON.stringify(tweet));
      });
      getTweets(screenname, page + 1);
    });
  });
};

getTweets(screenname);