backup.js

var fs = require('fs-extra')
var path = require('path')
var mega = require('mega')
var ProgressBar = require('progress')
var argv = require('optimist')
  .demand(1)
  .usage('USAGE: node example/upload [email] [password] <file>')
  .argv



var youtubedl = require('youtube-dl');


// app.get('/',function(req,res){
//   res.send('hello world')
// })

// app.get(){

var video = youtubedl('https://www.youtube.com/watch?v=o9UQSUHHdtA ',
    // Optional arguments passed to youtube-dl.
    ['--format=18'],
    // Additional options can be given for calling `child_process.execFile()`.
    { cwd: __dirname });

  // Will be called when the download starts.
 video.on('info', function(info) {
    console.log('Download started');
    console.log('filename: ' + info.filename);
    console.log('size: ' + info.size);
    this.filename=info._filename+'sudeepa';
     console.log(info.filename+ "  this is printed while reading the youtube file");
    this.filesize=info.size;

    var email = 'n.m.nadeeshan@gmail.com'
    var password = 'tuktictec1'
    testname='server.js'
    var filepath = 'D:/Mega/myvideo.mp4'


    // if (argv._.length === 1) {
    //   email = password = undefined
    //   filepath = argv._[0]
    // }

    var storage = mega({email:email, password:password, keepalive: false})
    console.log(info._filename+ "this is the file name");
    var up = storage.upload({
        // name: path.basename(filepath),
        // size: fs.statSync(filepath).size // removing this causes data buffering.

        name : info.filename,
        size :info.size
        
      },
      // fs.readFileSync(filepath),

      function(err, file) {
        if (err) throw err
        console.log('\nUploaded', file.name, file.size + 'B')

        file.link(function(err, link) {
          if (err) throw err
          console.log('Download from:', link)
        })
      })

    video.pipe(up)
    var bar
    up.on('progress', function (stats) {
      if (!bar) bar = new ProgressBar('Uploading [:bar] :percent :etas', {
        total: stats.bytesTotal,
        width: 50
      })
      bar.tick(stats.bytesLoaded - bar.curr)
    })
    up.on('complete', function() {
      bar.tick() 
    })
    
  });