From d05e3dffbf5578ee5c69baecf2f31176aedf94d4 Mon Sep 17 00:00:00 2001
From: Jake Carter <Jake.Carter@analog.com>
Date: Mon, 26 Jun 2023 17:43:04 -0500
Subject: [PATCH] Add null terminator check

---
 .github/workflows/Build_Examples.yml | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/Build_Examples.yml b/.github/workflows/Build_Examples.yml
index 48748ffd712..850e0e6bfd0 100644
--- a/.github/workflows/Build_Examples.yml
+++ b/.github/workflows/Build_Examples.yml
@@ -102,10 +102,13 @@ jobs:
             $CHANGE_FILES = [string](git diff --ignore-submodules --name-only remotes/origin/main)
             # Check for change files by checking for watched file substrings 
             # For powershell substring: (https://stackoverflow.com/a/31603685)
-            if ($($WATCH_FILES | %{$CHANGE_FILES.contains($_)}) -contains $true)
+            if ( $CHANGE_FILES ) # null check
             {
-              echo "Match found."
-              $RUN_TEST = 1
+              if ($($WATCH_FILES | %{$CHANGE_FILES.contains($_)}) -contains $true)
+              {
+                echo "Match found."
+                $RUN_TEST = 1
+              }
             }
           }