'use strict'

var redis = require('redis')
var client = redis.createClient()

// start a separate command queue for multi
var multi = client.multi()
multi.incr('incr thing', console.log)
multi.incr('incr other thing', console.log)

// runs immediately
client.mset('incr thing', 100, 'incr other thing', 1, console.log)

// drains multi queue and runs atomically
multi.exec(function (err, replies) {
  if (err) throw err
  console.log(replies) // 101, 2
})

// you can re-run the same transaction if you like
multi.exec(function (err, replies) {
  if (err) throw err
  console.log(replies) // 102, 3
  client.quit()
})

client.multi([
    ['mget', 'multifoo', 'multibar', console.log],
    ['incr', 'multifoo'],
    ['incr', 'multibar']
]).exec(function (err, replies) {
  if (err) throw err
  console.log(replies.toString())
})