Simple NGA Geonames to Mongo Importer

geonames-to-mongo.js

var mongo = new Mongo(config);
        var bulk = [];
        mongo.initialize().then(function() {
            return mongo.getCollection("geonames");
        }).then(function(collection) {
            var d = deferred();

            var etl = new Etl();
            etl.load("c:\\Downloads\\geonames_20140203.txt", {delimiter: "\t", columns: true, relax: true}).on('record', function(row, index) {
                //console.log(JSON.stringify(row, null, 4));
                console.log(index);
                bulk.push(row);
                if(bulk.length  === 1000) {
                    collection.insert(bulk, function(err, docs) {
                    });
                    bulk = [];
                }
            }).on('error', function(error){
                console.log(error.message);
            }).on('end', function() {
                collection.insert(bulk, function(err, docs) {

                });
                bulk = [];
                d.resolve(true);
            });

            return d.promise();
        });

        return;