pathname: Use Dir.children

Author: nobu

pathname_builtin.rb

@@ -766,15 +766,12 @@ def join(*args)
   #
   def children(with_directory=true)
     with_directory = false if @path == '.'
-    result = []
-    Dir.foreach(@path) {|e|
-      next if e == '.' || e == '..'
-      if with_directory
-        result << self.class.new(File.join(@path, e))
-      else
-        result << self.class.new(e)
-      end
-    }
+    result = Dir.children(@path)
+    if with_directory
+      result.map! {|e| self.class.new(File.join(@path, e))}
+    else
+      result.map! {|e| self.class.new(e)}
+    end
     result
   end