Parse twitter user handles from a local stream of tweets

parseIds.js

var fs = require('fs')
var _ = require('underscore')
var results = [];

fs.readFile('results.txt', function(err,data)
{
  var data = JSON.parse(data);
  
  data.forEach(function(entry)
  {
    results.push(entry.userScreenName)
  });

  var uniqueResults = _.uniq(results, function(x){
    return x;
  });
  
  console.log("Found / Unique: " + results.length + ' / ' + uniqueResults.length)
  
  var file = fs.createWriteStream('ids.txt');
  file.on('error', function(err) { /* error handling */ });
  
  uniqueResults.forEach(function(v) {
    file.write(v + '\r\n');
  });
  
  file.end();
})