--- a/mk	Mon Sep 21 20:31:35 2015 +0100
+++ b/mk	Fri Sep 25 17:37:07 2015 +0100
@@ -1,7 +1,10 @@
 #!/bin/sh
 set -e
 
-subdirs="slides handouts hws" 
+#subdirs="slides handouts hws"
+subdirs="hws"
+
+echo $subdirs
 
 for sd in $subdirs; do
   cd $sd