some code to seed a database with fixtures

fixtures.js

var sys = require("sys");
var fs = require('fs');
var Db = require('mongodb').Db;
var Connection = require('mongodb').Connection;
var Server = require('mongodb').Server;
var BSON = require('mongodb').BSONNative;
var _ = require('nimble');

var host = process.env['MONGO_NODE_DRIVER_HOST'] != null ? process.env['MONGO_NODE_DRIVER_HOST'] : 'localhost';
var port = process.env['MONGO_NODE_DRIVER_PORT'] != null ? process.env['MONGO_NODE_DRIVER_PORT'] : Connection.DEFAULT_PORT;

var seedDB = function(filename,collection_name,db){
  return function(cb){
    fs.readFile(__dirname + filename, "utf-8",function(err,file){
      if(err) throw err;
      var data = JSON.parse(file);
      db.dropCollection(collection_name,function(){
        db.collection(collection_name,function(err,collection){
          collection.insert(data,{"safe" : true},function(err,data){
            console.info("wrote "+ data.length + " records");
            return cb();
          });
        });
      });
    });
  }
}

var _db = new Db('dbname', new Server(host, port, {}), {native_parser:true});
_db.open(function(err,db){
  if(err) return console.log(err);
  _.parallel([
    seedDB('/something1.json','something1',db),
    seedDB('/something2.json','something2',db)
  ],function(err){
    _db.close();
  });
});

something1.json

[{"foo":"bar","baz" :1,"json" : "ftw"},{"a":1,"b":2}]

something2.json

[{"foo":"bar","baz" :1,"json" : "ftw"},{"a":3,"b":4}]