mongodb.md

require 'rubygems'
require 'mongo'
require 'pry'
require 'win32ole'

db = Mongo::Connection.new.db("test")
x = db['text']

y = x.find({a: {$gt: 0}})
y.each {|y| puts y }

{"_id"=>BSON::ObjectId('51630eea5a8d7b8a8be738c0'), "a"=>1.0} {"_id"=>BSON::ObjectId('51632de8583be71698000001'), "a"=>1} {"_id"=>BSON::ObjectId('51632de8583be71698000002'), "a"=>1, "b"=>2}

The Error

syntax error, unexpected ':', expecting tASSOC

# for this line at the $gt: part
y = x.find({a: {$gt: 0}})

working.md

y = x.find({'b' =>  {'$gt' => 0}})
y.each {|y| puts y }