read_from_exerb_archive.rb

# read file from exerb archive
if defined?(ExerbRuntime)
  class << File
    alias :old_read_for_exerb_archive_filter :read
    def read(path, length = nil, offset = 0)
      begin
        ExerbRuntime.open(path).read(length) 
      rescue LoadError
        old_read_for_exerb_archive_filter(path)
      end
    end
  end
end