javascript - NodeJS/MongoDB - Clone Collection with Indexs -


i'm trying clone mongodb collection indexs 2 different mongodb instances. after googling around, found clonecollection best bet. i've tried make code nice , simple, never seem actual clone command run. 'started' , 'authed' pop in console, command never runs. i'm doing wrong? thanks.

mongodb = require("mongodb")  ##################### # mongodb config ##################### console.log "started" server = mongodb.server db = mongodb.db  server = new server("example.com", 27017, {}) db = new db("databasetwo", server,     safe: true )  db.open (err, db) ->     db.authenticate "user", "password", (err, res) ->         throw err if err         console.log "authed"  db.command     clonecollection: "databaseone.hellotherecollection"     from: "example.com:6001"     key:         username: 'user'         password: 'password' , (err, cb) ->     console.log err if err     console.log 'command ran'     cb null


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