diff -r 0387054b2038 Lib/pathlib.py
--- a/Lib/pathlib.py	Sat Nov 30 19:04:00 2013 -0800
+++ b/Lib/pathlib.py	Sun Dec 01 12:57:39 2013 +0800
@@ -948,6 +948,12 @@
         """
         return cls(os.getcwd())
 
+    def samefile(self, other_file):
+        """Return whether `other_file` is same or not with this file.
+        (as returned by os.path.samefile(file, other_file)).
+        """
+        return os.path.samefile(str(self.resolve()), other_file)
+
     def iterdir(self):
         """Iterate over the files in this directory.  Does not yield any
         result for the special paths '.' and '..'.
diff -r 0387054b2038 Lib/test/test_pathlib.py
--- a/Lib/test/test_pathlib.py	Sat Nov 30 19:04:00 2013 -0800
+++ b/Lib/test/test_pathlib.py	Sun Dec 01 12:57:39 2013 +0800
@@ -1129,6 +1129,13 @@
         p = self.cls.cwd()
         self._test_cwd(p)
 
+    def test_samefile(self):
+        fileA_path = os.path.join(BASE, 'fileA')
+        fileB_path = os.path.join(BASE, 'dirB', 'fileB')
+        p = self.cls(fileA_path)
+        self.assertTrue(p.samefile(fileA_path))
+        self.assertFalse(p.samefile(fileB_path))
+
     def test_empty_path(self):
         # The empty path points to '.'
         p = self.cls('')