code: добавлен ввод через первый аргумент

main.cpp

@@ -52,15 +52,18 @@ input_data(istream& in, bool prompt) {
 }
 
 
-int main(int argc, char* argv[]) {
-
+int
+main(int argc, char* argv[]) {
     if (argc > 1) {
-        for (int i = 0; i < argc; ++i) {
-            cerr << "argv[" << i << "] = " << argv[i] << endl;
-        }
+        CURL* curl = curl_easy_init();
+        if (curl) {
+            CURLcode res;
+            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
+            res = curl_easy_perform(curl);
+            curl_easy_cleanup(curl);
         }
-
         return 0;
+    }
 
     curl_global_init(CURL_GLOBAL_ALL);
     auto in = input_data(cin, true);                                             //input data