1_mapreduce.coffee

# import mongoose

mongoose = require('mongoose')

# connect

db = mongoose.connect('mongodb://localhost/test')

# define the schema

basketSchema = new mongoose.Schema 
     fruit: String 
     count: Number

# define model from the schema

Basket = mongoose.model "basket", basketSchema

# define some dummy data

baskets = [{ 
    fruit: 'apple' 
    count: 27 
  },{ 
    fruit: 'apple' 
    count: 32 
  },{ 
    fruit: 'pear' 
    count: 26 
  },{ 
    fruit: 'orange' 
    count: 16 
  }]

# load dummy data into mongodb

for basket in baskets 
    b = new Basket basket 
    b.save (err) ->
        if err
            console.log err