Read Lines from file in Node.js

readline.js

var fs = require('fs')
var nameFilename = 'names.txt'

function readLines(filename,fn) {
    var stream = fs.createReadStream(filename, {encoding: 'utf8'})
    var fileData = ''
    stream.on('data', function(data) {
        fileData += data;
        var lines = fileData.split('\n');
        lines.forEach(function(line) { 
            if(line != '') {
                fn(line);
            }
        });
    });

    return stream
}

console.time('program');
readLines(nameFilename, function(name) {
    console.log(name);
}).on('end', function() {
  console.log( "File Read.");
  console.timeEnd('program');
},0);