From a818b9af6697df7b65b42d6ab450e540f7b50518 Mon Sep 17 00:00:00 2001
From: Robin Dietzel <robtor2000@web.de>
Date: Thu, 9 Nov 2023 20:23:10 +0100
Subject: [PATCH] Add pure random generator

---
 task1/src/task1-randgen.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/task1/src/task1-randgen.cpp b/task1/src/task1-randgen.cpp
index 6e3d9cc..3f7fc20 100644
--- a/task1/src/task1-randgen.cpp
+++ b/task1/src/task1-randgen.cpp
@@ -25,8 +25,18 @@ int main(int argc, char *argv[]) {
     parser.process(app);
 
     const QStringList args = parser.positionalArguments();
+
+    if(args.length() != 2) {
+        parser.showHelp(-1);
+    }
+
     const QString dest = args.at(0);
-    const int pow_value = args.at(1).toInt();
+    bool convOK;
+    const int pow_value = args.at(1).toInt(&convOK);
+    if(!convOK) {
+        parser.showHelp(-1);
+    }
+
     const int num_values = std::pow(10, pow_value);
 
     QTextStream print(stdout);