diff --git a/main.cpp b/main.cpp
index b531a44..a28b02a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,8 @@
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+#include <curl/curl.h>
+
 using namespace std;
 
 
@@ -47,10 +49,22 @@ inp >> in.bin_count;
 
 
 
-int main()
+int main(int argc, char* argv[])
 {
+
+    if (argc>1){
+      cerr <<  "argc=" << argc<< endl;
+      for (size_t i = 0; i < argc; i++) {
+        cerr << "argv [" << i << "]: " << argv[i] << endl;
+
+    }
+return 0;
+    }
+
+ curl_global_init(CURL_GLOBAL_ALL);
+
 unsigned int  n;
-bool prompt=false;
+bool prompt=true;
 auto in = input_data(cin, prompt);
 double min,max;
 auto  bins = make_histogram(in.numbers, in.bin_count);