From a16cbee92fe1bfb233359fbe777628044d5f1416 Mon Sep 17 00:00:00 2001
From: NintenHero <mchinrichs@gmail.com>
Date: Thu, 2 Oct 2025 13:31:27 -0500
Subject: [PATCH] Read the magic and throw an error if it's wrong.

---
 Program.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Program.cs b/Program.cs
index 93954b1..4480cc3 100644
--- a/Program.cs
+++ b/Program.cs
@@ -11,7 +11,8 @@ namespace LuckCatchers_Extractor
         static void Main(string[] args)
         {
             br = new(File.OpenRead(args[0]));
-            br.BaseStream.Position = 8;
+            if (new string(br.ReadChars(8)) != "VOLUME0\0")
+                throw new System.Exception("This is not a LuckCatchers res file.");
 
             System.Collections.Generic.List<Subfile> subfiles = new()
             {