Salud: Import script for JSON foods

gistfile1.js

var fs = require('fs'),
    mongoClient = require('mongodb').MongoClient,
    foodsJson = JSON.parse(fs.readFileSync('./foods-2011-10-03.json'));

mongoClient.connect('mongodb://127.0.0.1:27017/salud', function(err, db) {
  if (err) throw err;

  var collection = db.collection('foods-orig');

  foodsJson.forEach(function(el, i) {
    el.nutrients.forEach(function(el2, i) {
      delete el2.group
    });

    collection.insert({
      name: el.name,
      group: el.group,
      nutrients: el.nutrients
    }, {}, function(err, foods) {
      if (err) throw err;
      console.log(foods[0].name + ': INSERTED'); 
    });
  });
});