main: добавлениие аргументов программы

main.cpp

@@ -33,9 +33,16 @@ input_data(istream& in, bool prompt)
     return local;
 }
 
-int main()
+int main(int argc, char* argv[])
 {
     curl_global_init(CURL_GLOBAL_ALL);
+    if (argc > 1)
+        {
+            for (size_t i = 0; i < argc; i++)
+                cout << "argv" << "[" << i << "] = " << argv[i] << "\n";
+            return 0;
+        }
+
     auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);