mongodb remove.js

remove.js

var mongo = require('mongodb').MongoClient;
var url = 'mongodb://localhost:27017/'+ process.argv[2];
mongo.connect(url, function(err,db){
  if(err) throw err;
  var col = db.collection(process.argv[3]);
  col.remove({
    _id: process.argv[4]
  },function(err,data){
    console.log(data.result);
    if(err) throw err;
    db.close();
  })
})