#!/usr/bin/ruby
require 'rubygems'
require 'zip/zip'
include Zip

def saveFile (name, data)
	i = 0
	new_name = name
	while File.exist?(new_name) do
		if File.size(new_name) == data.size
			return if File.read(new_name).eql? data
		end
		i += 1
		new_name = "#{i}_#{name}"
	end

	File.open(new_name, "w") do |dat|
		dat.write(data)
	end
end

Zip::ZipInputStream::open('test.zip') do |io|
	while (entry = io.get_next_entry)
		saveFile(entry.name, io.read)
	end
end