Index: /trunk/FACT++/src/rootifysql.cc
===================================================================
--- /trunk/FACT++/src/rootifysql.cc	(revision 19120)
+++ /trunk/FACT++/src/rootifysql.cc	(revision 19121)
@@ -730,5 +730,5 @@
 
     ofstream fout(write);
-    if (!fout)
+    if (!write.empty() && !fout)
         cout << "WARNING: Writing to '" << write << "' failed: " << strerror(errno) << endl;
 
@@ -835,7 +835,10 @@
     if (verbose>0)
     {
+        const auto sec = Time().UnixTime()-start.UnixTime();
+
         cout << Tools::Scientific(tfile.GetSize()) << "B written to disk.\n";
         cout << "File closed.\n";
-        cout << "Execution time: " << Time().UnixTime()-start.UnixTime() << "s\n";
+        cout << "Execution time: " << sec << "s ";
+        cout << "(" << Tools::Fractional(sec/count) << "s/row)\n";
         cout << "--------------------------------------------------------------" << endl;