diff -up openwsman-2.6.2/examples/winrs.rb.orig openwsman-2.6.2/examples/winrs.rb
--- openwsman-2.6.2/examples/winrs.rb.orig	2015-10-19 15:27:46.000000000 +0200
+++ openwsman-2.6.2/examples/winrs.rb	2017-03-13 10:30:22.812169561 +0100
@@ -1,3 +1,5 @@
+#!/usr/bin/env ruby
+#
 # winrs.rb
 #
 # Windows Remote Shell