* lib/pathname.rb (Pathname#each_child): new method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Jan 31 14:12:43 2009  Tanaka Akira  <akr@fsij.org>
+
+	* lib/pathname.rb (Pathname#each_child): new method.
+
 Sat Jan 31 00:07:49 2009  Tanaka Akira  <akr@fsij.org>
 
 	* lib/test/unit/assertions.rb

NEWS

@@ -86,7 +86,8 @@ with all sufficient information, see the ChangeLog file.
     string/symbol.
 
 * pathname
-  * realdirpath
+  * new method: realdirpath
+  * new method: each_child
 
 === Compatibility issues (excluding feature bug fixes)
 

lib/pathname.rb

@@ -92,6 +92,7 @@
 # - #realpath
 # - #realdirpath
 # - #children
+# - #each_child
 # - #mountpoint?
 #
 # === File status predicate methods
@@ -716,6 +717,36 @@ class Pathname
     result
   end
 
+  # Iterates over the children of the directory
+  # (files and subdirectories, not recursive).
+  # It yields Pathname object for each child.
+  # By default, the yielded pathnames will have enough information to access the files.
+  # If you set +with_directory+ to +false+, then the returned pathnames will contain the filename only.
+  #
+  #   Pathname("/usr/local").each_child {|f| p f }
+  #   #=> #<Pathname:/usr/local/share>
+  #   #   #<Pathname:/usr/local/bin>
+  #   #   #<Pathname:/usr/local/games>
+  #   #   #<Pathname:/usr/local/lib>
+  #   #   #<Pathname:/usr/local/include>
+  #   #   #<Pathname:/usr/local/sbin>
+  #   #   #<Pathname:/usr/local/src>
+  #   #   #<Pathname:/usr/local/man>
+  #
+  #   Pathname("/usr/local").each_child(false) {|f| p f }
+  #   #=> #<Pathname:share>
+  #   #   #<Pathname:bin>
+  #   #   #<Pathname:games>
+  #   #   #<Pathname:lib>
+  #   #   #<Pathname:include>
+  #   #   #<Pathname:sbin>
+  #   #   #<Pathname:src>
+  #   #   #<Pathname:man>
+  #
+  def each_child(with_directory=true, &b)
+    children(with_directory).each(&b)
+  end
+
   #
   # #relative_path_from returns a relative path from the argument to the
   # receiver.  If +self+ is absolute, the argument must be absolute too.  If