This file is indexed.

/usr/lib/ruby/1.9.1/dl.rb is in libruby1.9.1 1.9.3.0-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
require 'dl.so'

begin
  require 'fiddle' unless Object.const_defined?(:Fiddle)
rescue LoadError
end

module DL
  def self.fiddle?
    Object.const_defined?(:Fiddle)
  end
end