From 5cda2d66eadbe89d8e9d834c73867e8bfea41917 Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Thu, 3 Feb 2022 17:29:03 +0100
Subject: [PATCH] add: validate parameters

---
 src/de/hhaalo/discspan.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/de/hhaalo/discspan.java b/src/de/hhaalo/discspan.java
index aefb562..8ba0895 100644
--- a/src/de/hhaalo/discspan.java
+++ b/src/de/hhaalo/discspan.java
@@ -4,7 +4,13 @@ public class discspan
 {
 	public static void main(String[] args)
 	{
-		System.out.println("Hello World!");
 		parameter param = new parameter(args);
+
+		if (param.getInput() == ""
+				|| param.getOutput() == ""
+				|| param.getSplit() < 2048) {
+			System.err.println("ERROR: missing arguments");
+			System.exit(1);
+		}
 	}
 }
-- 
2.39.5