diff --git a/Tools/scripts/analyze_dxp.py b/Tools/scripts/analyze_dxp.py
old mode 100644
new mode 100755
index bde931e..1224383
--- a/Tools/scripts/analyze_dxp.py
+++ b/Tools/scripts/analyze_dxp.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """
 Some helper functions to analyze the output of sys.getdxp() (which is
 only available if Python was built with -DDYNAMIC_EXECUTION_PROFILE).
diff --git a/Tools/scripts/cleanfuture.py b/Tools/scripts/cleanfuture.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/combinerefs.py b/Tools/scripts/combinerefs.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/db2pickle.py b/Tools/scripts/db2pickle.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/diff.py b/Tools/scripts/diff.py
old mode 100644
new mode 100755
index 52dcab1..513e2a7
--- a/Tools/scripts/diff.py
+++ b/Tools/scripts/diff.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """ Command line interface to difflib.py providing diffs in four formats:
 
 * ndiff:    lists every line and highlights interline changes.
diff --git a/Tools/scripts/find_recursionlimit.py b/Tools/scripts/find_recursionlimit.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/hotshotmain.py b/Tools/scripts/hotshotmain.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/mailerdaemon.py b/Tools/scripts/mailerdaemon.py
old mode 100644
new mode 100755
index 85f90aa..a1eeaad
--- a/Tools/scripts/mailerdaemon.py
+++ b/Tools/scripts/mailerdaemon.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """mailerdaemon - classes to parse mailer-daemon messages"""
 
 import rfc822
diff --git a/Tools/scripts/md5sum.py b/Tools/scripts/md5sum.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/patchcheck.py b/Tools/scripts/patchcheck.py
old mode 100644
new mode 100755
index bc8bc79..7398e78
--- a/Tools/scripts/patchcheck.py
+++ b/Tools/scripts/patchcheck.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import re
 import sys
 import shutil
diff --git a/Tools/scripts/pickle2db.py b/Tools/scripts/pickle2db.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/pysource.py b/Tools/scripts/pysource.py
old mode 100644
new mode 100755
diff --git a/Tools/scripts/redemo.py b/Tools/scripts/redemo.py
old mode 100644
new mode 100755
index de7f3c4..2b5ade4
--- a/Tools/scripts/redemo.py
+++ b/Tools/scripts/redemo.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """Basic regular expression demostration facility (Perl style syntax)."""
 
 from Tkinter import *