gistfile1.txt

//Array of trip objects
var trips = [];

db.trips.drop();
db.trips = db.collection('trips');

var counter = 0;

for(var i = 0; i < trips.length; i++){
  db.trips.save(trips[i], function(err){
		if(!err){
			counter += 1;

			if(counter == trips.length){
				// All objects saved
				res.end('Db initialized');
			}
		}
	});	
}