diff --git a/tests/md5sum.py b/tests/md5sum.py
new file mode 100755
--- /dev/null
+++ b/tests/md5sum.py
@@ -0,0 +1,25 @@
+#! /usr/bin/env python
+import sys
+import os
+import md5
+
+for filename in sys.argv[1:]:
+    try:
+        fp = open(filename, 'rb')
+    except IOError, msg:
+        sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
+        sys.exit(1)
+    
+    m = md5.new()
+    try:
+        while 1:
+            data = fp.read(8192)
+            if not data:
+                break
+            m.update(data)
+    except IOError, msg:
+        sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
+        sys.exit(1)
+    sys.stdout.write('%s  %s\n' % (m.hexdigest(), filename))
+
+sys.exit(0)