получение аргументов программы

main.cpp

@@ -35,11 +35,16 @@ input_data(istream& in, bool prompt) {
     return inp;
 }
 
-
 int
-main()
+main(int argc, char* argv[])
 {
     curl_global_init(CURL_GLOBAL_ALL);
+    if (argc > 1){
+        cerr << argc << endl;
+        for (size_t i = 0; i < argc; i++){
+            cerr << "argv[" << i << "] = " << argv[i] << endl;
+        }
+    }
     auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);