add argv argc

main.cpp

@@ -3,10 +3,19 @@
 #include <sstream>
 #include <curl/curl.h>
 
-int main() {
+int main(int argc, char* argv[]) {
+    if(argc > 1) {
+          std::cout << "Number of arguments (argc): " << argc << std::endl;
+        for (int i = 0; i < argc; ++i) {
+            std::cout << "argv[" << i << "] = " << argv[i] << std::endl;
+        }
+        return 0;
+    }
+
     curl_global_init(CURL_GLOBAL_ALL);
     auto in = input_data(std::cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins, in.width);
+    curl_global_cleanup();
     return 0;
 }