From 636a7332717948fee9a10a1d6be185dc50eb9e78 Mon Sep 17 00:00:00 2001
From: Simon Hancock <simon@linkingdrones.com>
Date: Sun, 10 Mar 2024 15:33:48 +0000
Subject: [PATCH] mavlogdump: show message when mat_file arg is required

---
 tools/mavlogdump.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/mavlogdump.py b/tools/mavlogdump.py
index 09909897c..55412ce04 100755
--- a/tools/mavlogdump.py
+++ b/tools/mavlogdump.py
@@ -76,6 +76,10 @@
     yappi.start()
 
 if args.format == 'mat':
+    # Check that the mat_file argument has been specified
+    if args.mat_file is None:
+        print("mat_file argument must be specified when mat format is selected")
+        quit()
     # Load these modules here, as they're only needed for MAT file creation
     import scipy.io
     import numpy as np