diff --git a/main.cpp b/main.cpp
index 346218a..ab30fb1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -41,8 +41,19 @@ Input input_data(istream& in, bool prompt) {
     return on;
 };
 
-int main(){
+int main( int argc, char* argv[]){
+    if (argc > 1){
+        cerr << "argc = " << argc << endl;
+        auto i = 0;
+        while (i < argc){
+            cerr << "argv[" << i << "] = " << argv[i] << '\n';
+            i++;
+        }
+        return 0;
+    }
+
     curl_global_init(CURL_GLOBAL_ALL);
+
     bool prompt = true;
     auto in = input_data(cin, prompt);
     auto bins = make_histogram(in.numbers, in.bin_count);