diff --git a/commands/2hdp.py b/commands/2hdp.py
old mode 100644
new mode 100755
index ea71eed..abb8121
--- a/commands/2hdp.py
+++ b/commands/2hdp.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from argparse import ArgumentParser
 from csv import DictWriter
 from sys import stdout
diff --git a/commands/has_files.sh b/commands/has_files.sh
old mode 100644
new mode 100755
diff --git a/commands/retro.py b/commands/retro.py
old mode 100644
new mode 100755