update

src/repstr/main.cpp

@@ -47,7 +47,9 @@ int main(const int argc,const char *argv[]){
 
     }catch(const std::exception &e){
         zt::eprint("Caught an error because:\n","\t",NAME_VALUE(e.what()),"\n");
+        return -1;
     }catch(...){
         zt::eprint("Caught an unknown error,closing...\n");
+        return -1;
     }
 }