diff --git a/main.cpp b/main.cpp
index 9686655..9e9b7cf 100644
--- a/main.cpp
+++ b/main.cpp
@@ -41,10 +41,17 @@ input_data(istream& in, bool prompt)
     return cin;
 }
 
-int main()
+int main(int argc, char* argv[])
 {
     curl_global_init(CURL_GLOBAL_ALL);
 
+    if (argc > 1) {
+        for (int i = 0; i < argc; i++) {
+            cerr << "argv[" << i << "] = " << argv[i] << endl;
+        }
+        return 0;
+    }
+
     size_t max_count;
     auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);