gistfile1.rb

require 'rubygems'

ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __FILE__)
require 'bundler/setup'

require 'zlib'
require 'ox'

class Parser < ::Ox::Sax
end

file = "/discogs/discogs_20130601_artists.xml.gz"
Zlib::GzipReader.open(file) do |f|
  handler = Parser.new
  Ox.sax_parse(handler, f)
end