Index: trunk/DataStoreServer/scripts/dsfsindex
===================================================================
--- trunk/DataStoreServer/scripts/dsfsindex	(revision 17754)
+++ trunk/DataStoreServer/scripts/dsfsindex	(revision 23900)
@@ -112,2 +112,6 @@
     print "$line\n";
 }
+if ($print_header) {
+    # empty file set
+    print "$header\n";
+}