FileStreamingNode

FileStreaming.js

var Iconv = require('Iconv').Iconv;
var fs = require('fs');
var start = Date.now();

function runner(i){
  rStream = fs.createReadStream('enwik8');
  var iconv = new Iconv('UTF-8', 'UTF-16LE');
  wStream = fs.createWriteStream('enwik16');

  return rStream.pipe(iconv).pipe(wStream);
}

for (var i = 0; i < 4; i++) {
  var stream = runner(i);
  if (i === 3) {
    stream.on('finish', function() {
      console.log((Date.now() - start) / 1000);
    });
  }
}