Ruby version of parsexml

parseXML.rb

#!/usr/bin/env ruby

def parse(f)
  buffer = ""
  open(f) { |file| file.seek 0x404;file.each_byte {|c| buffer << (0xff - c).chr} }
  rindex = buffer.rindex(/<\/word>/) + "</word>".size
  open(f.sub(".ydic", ".xml"), "w+").write(buffer[0...rindex].gsub("</word>", "</word>\n"))
end

(puts "Usage: #{File.basename $0} dict_file_1 [...]";exit 1) if ARGV.size < 1
ARGV.each { |f| parse f }