#!/usr/bin/env ruby
require 'zlib'

block = 1048576
ARGV.each do |filename|
	crc = 0
	file = File.open(filename, 'rb')
	currentbyte = 0
	while (line = file.read(block)) do
		crc = Zlib.crc32(line,crc)
	end
	file.close
	printf("%s %08X\n", filename, crc.to_s)
end