diff --git a/hash.py b/hash.py
new file mode 100644
index 00000000..1d01f5cf
--- /dev/null
+++ b/hash.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Tue Jun 23 21:30:06 2015
+
+@author: famille
+"""
+
+import io
+import os
+import sys
+import hashlib
+
+
+def give_hash(file_in, with_this):
+    with io.open(file_in, 'rb') as f:
+        return with_this(f.read()).hexdigest()  
+
+
+if __name__ == '__main__':
+ if (len(sys.argv) < 2):
+    print ("Usage: " + sys.argv[0] + " github-user [github-project]")
+    exit(1)
+ file = sys.argv[1]
+        
+ header = (" MD5"+" "*(32-4)+" | SHA-1"+" "*(40-5)+" | SHA-256"+
+          " "*(64-7)+" | Binary"+" "*(31-5)+"| Size"+" "*(20-6))
+ line = "|".join(["-"*len(i) for i in header.split("|")])
+
+ print(header)
+ print(line)
+ print ("%s | %s | %s | %s | %s" % (give_hash(file, hashlib.md5),
+        give_hash(file, hashlib.sha1),
+        give_hash(file, hashlib.sha256),
+        '{0:31s}'.format(os.path.basename(file)),
+        ('{0:12,}'.format(os.path.getsize(file)).replace(","," ")+ ' Bytes')
+        ))
diff --git a/hash_launch.bat b/hash_launch.bat
new file mode 100644
index 00000000..9c8ee43d
--- /dev/null
+++ b/hash_launch.bat
@@ -0,0 +1,8 @@
+call D:\WinPython-64bit-3.4.3.7Qt5\scripts\env.bat
+
+cd %~dp0
+
+echo %date% %time%>>gdc_counting.txt
+python hash.py %1 >>hash_counting_%date:/=_%.txt
+
+start notepad.exe hash_counting_%date:/=_%.txt