diff --git a/main.cpp b/main.cpp
index a6865be..66890e2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -37,7 +37,16 @@ input_data(istream& stream){
 
 
 int
-main() {
+main(int argc, char* argv[]) {
+    if (argc > 1){
+        auto i = 0;
+        while (i < argc){
+                cerr << "arg[" << i << "] = " << argv[i] << endl;
+                i++;
+            }
+        return 0;
+    }
+
     curl_global_init(CURL_GLOBAL_ALL);
     auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);