readFileLineByLineTimer.js

'use strict';
var fs = require('fs');
var Lazy=require("lazy");
var fileName = '{fileName}';
var file = fs.createReadStream(fileName,{encoding:'utf-8'});
var NanoTimer = require('nanotimer');
var timer = new NanoTimer();

function loadFile(callback){
    new Lazy(file).lines.forEach(
      function(line){
      }
    ).on('pipe', function() {
      callback();
    });
}

timer.time(loadFile, '', 'u', function(time){
  console.log("It took " + time + " microseconds to read that file!");
});