path = require('path'), pathThumbnails = __dirname; db = require(pathThumbnails + '/../handlers/db.js'); db.getCollectionNames(function(err, docs) { for(var i = 0; i < docs.length; i++) { addType(docs[i]); } }) function addType(name) { db.collection(name).update({duration: {$exists: true},type:{$ne:"suggested"}}, {$set: { type: "video" }}, {multi: true}, function(err, doc) { process.exit(); }); }