From ccd860e4d92e309e0eff54f8e9a15ecac465d293 Mon Sep 17 00:00:00 2001
From: "n loewen (aider)" <nick@nloewen.com>
Date: Sat, 7 Jun 2025 19:14:08 +0100
Subject: [PATCH] feat: Add file existence check before processing input
 filename

---
 gtm | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/gtm b/gtm
index 0de56cf..3ea7ecf 100755
--- a/gtm
+++ b/gtm
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import curses
+import os
 import subprocess
 import sys
 
@@ -239,7 +240,14 @@ if __name__ == "__main__":
         elif sys.argv[1] == "-h" or sys.argv[1] == "--help":
             show_help()
             sys.exit(0)
+        
         filename = sys.argv[1]
+        
+        # Check if the file exists
+        if not os.path.isfile(filename):
+            print(f"Error: File '{filename}' does not exist")
+            sys.exit(1)
+            
         curses.wrapper(main, filename)
     else:
         show_help()