mongodb findProject.js

findProject.js

var mongo = require('mongodb').MongoClient;
var url = 'mongodb://localhost:27017/learnyoumongo';
var age = process.argv[2];
mongo.connect(url,function(err, db){
  if(err) throw err;
  var parrots = db.collection('parrots');
  parrots.find({
    age: {
      $gt: +age
    }
  },{
    name: 1,
    age: 1,
    _id: 0
  }).toArray(function(err, docs){
    if(err) throw err;
    console.log(docs);
    db.close();
  })
  
})