diff --git a/over/file.py b/over/file.py
index fc2b2cc..6978299 100644
--- a/over/file.py
+++ b/over/file.py
@@ -1,6 +1,7 @@
 #! /usr/bin/env python3
 # encoding: utf-8
 
+from contextlib import contextmanager
 import os
 
 # --------------------------------------------------
@@ -37,3 +38,18 @@ def count_lines(path):
 				lines += buffer.count(b"\n")
 	
 	return lines
+
+# --------------------------------------------------
+
+@contextmanager
+def context_dir(path):
+	"""
+	A directory context manager.
+	"""
+	previous = os.getcwd()
+	os.chdir(path)
+	
+	try:
+		yield
+	finally:
+		os.chdir(previous)
diff --git a/over/version.py b/over/version.py
index cf156d4..70f0af0 100644
--- a/over/version.py
+++ b/over/version.py
@@ -2,7 +2,7 @@
 # encoding: utf-8
 
 major = 1 # VERSION_MAJOR_IDENTIFIER
-minor = 100 # VERSION_MINOR_IDENTIFIER
-# VERSION_LAST_MM 1.100
+minor = 101 # VERSION_MINOR_IDENTIFIER
+# VERSION_LAST_MM 1.101
 patch = 0 # VERSION_PATCH_IDENTIFIER
-str = "1.100.0" # VERSION_STRING_IDENTIFIER
+str = "1.101.0" # VERSION_STRING_IDENTIFIER