node.js convert a json file to xml

gistfile1.txt

var fs = require('fs');
var xml2js = require('xml2js');
var builder = new xml2js.Builder();


var content = fs.readFileSync('data.json');
var o = JSON.parse(content);

var res = [];

o.forEach(function(r){
    res.push(r);
});


var xml = builder.buildObject(res);


fs.writeFileSync('out.xml', xml);