Dump JSON documents into MongoDB

mongo_dumper.rb

#!/usr/bin/env ruby
# Dump JSON documents into MongoDB

require 'rubygems'
require 'mongo'
require 'json'

# Grab the dataset from a dump
filename = ARGV.first
docs = JSON.parse(File.open(filename).read)

# Get handle to MongoDB
db = Mongo::Connection.new("localhost", 27017).db("mydb")
collection = db.collection("my_collection")

# Insert each document
docs.each do |doc|
    collection.insert(doc)
end

puts collection