Emnascript6 Node1

//Empezar a utilizar Ecmnascript con use strict
'use strict';

let fs = require('fs');

fs
 .rename('new', 'folder', (err) => {
 	if(err){
 		return err;
 	} else {
 		console.log('funciono');
 	}
 });
 
 
 ///////////////////////
 "use strict";

let fs = require('fs');

let _change = fs.renameSync('name', 'changename');

if(_change){
	return true;
}


////////////////////

"use strict";

let fs = require('fs');

fs
  .open('music.jpg', 'r+', (err, success) => {
  	if(err){
  		return err;
  	} else {
  		fs
  		  .truncate(success, 2, (result) => {
  		  	console.log('resultado great');
  		  });
  	}
  });