From 3a4ded645a73fc408ee4fa83c39e241ad201d9f3 Mon Sep 17 00:00:00 2001
From: Xavier Robin <xavier.robin@unibas.ch>
Date: Tue, 23 Jul 2024 11:56:00 +0200
Subject: [PATCH] fix: exit with error code if invalid arguments are given

---
 modules/conop/src/chemdict_tool.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/conop/src/chemdict_tool.cc b/modules/conop/src/chemdict_tool.cc
index 97d9c45f2..36d43ebb0 100644
--- a/modules/conop/src/chemdict_tool.cc
+++ b/modules/conop/src/chemdict_tool.cc
@@ -79,7 +79,7 @@ int main(int argc, char const *argv[])
       Logger::Instance().PushVerbosityLevel(0);
     } else {
       PrintUsage();
-      return 0;
+      return 1;
     }
   }
   boost::iostreams::filtering_stream<boost::iostreams::input>  filtered_istream;  
-- 
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