Index: lib/pathname.rb
===================================================================
--- lib/pathname.rb	(リビジョン 22140)
+++ lib/pathname.rb	(作業コピー)
@@ -167,6 +167,7 @@
 # These methods are a facade for IO:
 # - #each_line(*args, &block)
 # - #read(*args)
+# - #binread(*args)
 # - #readlines(*args)
 # - #sysopen(*args)
 #
@@ -816,6 +817,10 @@
   # if specified.
   def read(*args) IO.read(@path, *args) end
 
+  # See <tt>IO.binread</tt>.  Returns all the bytes from the file, or the first +N+
+  # if specified. The open mode would be "rb:ASCII-8BIT".
+  def binread(*args) IO.binread(@path, *args) end
+
   # See <tt>IO.readlines</tt>.  Returns all the lines from the file.
   def readlines(*args) IO.readlines(@path, *args) end