From 9bfb4dc6ac6815aa600575c8745870b6ee8f9f91 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 23 Sep 2005 23:32:29 +0000
Subject: [PATCH] * lib/pathname.rb (Pathname#sub): new method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9287 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog       |  4 ++++
 lib/pathname.rb | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index de7833d9ec..bbb7549d00 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Sep 24 08:30:00 2005  Tanaka Akira  <akr@m17n.org>
+
+	* lib/pathname.rb (Pathname#sub): new method.
+
 Sat Sep 24 08:29:36 2005  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/fileutils.rb: fix visibility of FileUtils::NoWrite, Verbose,
diff --git a/lib/pathname.rb b/lib/pathname.rb
index 7b371def2b..e4e2b01992 100644
--- a/lib/pathname.rb
+++ b/lib/pathname.rb
@@ -235,7 +235,11 @@ class Pathname
     "#<#{self.class}:#{@path}>"
   end
 
-  #
+  # Return a pathname which is substituted by String#sub.
+  def sub(pattern, *rest, &block)
+    Pathname.new(@path.sub(pattern, *rest, &block))
+  end
+
   # Returns clean pathname of +self+ with consecutive slashes and useless dots
   # removed.  The filesystem is not accessed.
   #
@@ -438,6 +442,8 @@ class Pathname
   #     #<Pathname:path/to/some>
   #     #<Pathname:path/to/some/file.rb>
   #
+  # It doesn't access actual filesystem.
+  #
   def descend
     paths = []
     v = self
@@ -473,6 +479,8 @@ class Pathname
   #     #<Pathname:path/to>
   #     #<Pathname:path>
   #
+  # It doesn't access actual filesystem.
+  #
   def ascend
     paths = []
     v = self