Convert JSON to BSON for importing into MongoDB

json2bson.rb

#!/usr/bin/env ruby

require 'json'
require 'bson' # Requires bson version > 3

json = JSON.parse(File.open(ARGV[0]).read)

w = File.open("#{ARGV[0]}.bson",'w')

json.each do |j|
  w.write(j.to_bson)
end

w.close