1 files changed, 12 insertions, 5 deletions
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index 1d1e420a27..a56d47551b 100644
--- a/ext/digest/lib/digest.rb
+++ b/ext/digest/lib/digest.rb
@@ -16,20 +16,27 @@ module Digest
     raise NameError, "Digest class not found: Digest::#{name}"
   end
 
-  class Base
-    # creates a digest object and read given file, _name_.
+  class ::Digest::Class
+    # creates a digest object and reads a given file, _name_.
     # 
     #  p Digest::SHA256.file("X11R6.8.2-src.tar.bz2").hexdigest
     #  # => "f02e3c85572dc9ad7cb77c2a638e3be24cc1b5bea9fdbb0b0299c9668475c534"
     def self.file(name)
-      digest = self.new
+      new.file(name)
+    end
+  end
+
+  module Instance
+    # updates the digest with the contents of a given file _name_ and
+    # returns self.
+    def file(name)
       File.open(name, "rb") {|f|
         buf = ""
         while f.read(16384, buf)
-          digest.update buf
+          update buf
         end
       }
-      digest
+      self
     end
   end
 end