оюработка ошибок

main.cpp

@@ -36,8 +36,16 @@ Input input_data(istream& in, bool prompt) {
 int main(int argc, char* argv[]) {
     curl_global_init(CURL_GLOBAL_ALL);
     if (argc > 1) {
-        for (size_t i = 0; i < argc; i++) {
+        CURL* curl = curl_easy_init();
-            cerr << "argv [" << i << "] = " << argv[i];
+          if(curl) {
+            CURLcode res;
+            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
+            res = curl_easy_perform(curl);
+        if (res != CURLE_OK){
+                cerr << curl_easy_strerror(res);
+                exit(1);
+            }
+            curl_easy_cleanup(curl);
         }
     }
     auto in = input_data(cin, true);
@@ -45,3 +53,4 @@ int main(int argc, char* argv[]) {
     show_histogram_svg(bins);
     return 0;
 }
+