# File lib/cgikit/resource.rb, line 26
    def new_with_file( filename )
      bytes = nil
      open(filename) do |f|
        bytes      = new(f.read)
        bytes.path = f.path
        if ext = File.extname(filename) then
          ext.tr!('.', '')
          bytes.content_type = ResourceManager.mime(ext)
        end
      end
      bytes
    end