diff --git a/main.cpp b/main.cpp
index d4689b4..546fd96 100644
--- a/main.cpp
+++ b/main.cpp
@@ -35,7 +35,14 @@ Input input_data(istream& in, bool prompt=false) {
 
 
 
-int main(){
+int main(int argc, char* argv[]){
+    if (argc > 1){
+        cout << "argc= " << argc << endl;
+        for (int i = 0; i < argc; i++){
+            cout << "argv[" << i << "] = "  << argv[i] << endl;
+        }
+        return 0;
+    }
     if (curl_global_init(CURL_GLOBAL_ALL)!=0){
             cerr << "failed cURL" << endl;
     return 1;