diff --git a/scripts/userlist.hy b/scripts/userlist.hy
new file mode 100644
index 0000000..f98147d
--- /dev/null
+++ b/scripts/userlist.hy
@@ -0,0 +1,29 @@
+(import [os [listdir]])
+(import [datetime [datetime]])
+
+;; this script emits HTML on standard out that constitutes a user
+;; list. It denotes who has not updated their page from the
+;; default. It also reports the time this script was run.
+
+(def timestamp (.strftime (.now datetime) "%Y-%m-%d %H:%M:%S"))
+
+(defn slurp [filename]
+  (.read (open filename "r")))
+
+(def default-html (slurp "/etc/skel/public_html/index.html"))
+
+(defn dir->html [username]
+  (let [[default (= default-html (slurp (.format "/home/{}/public_html/index.html" dirname)))]]
+    (.format "<li><a href=\"http://tilde.town/~{}\">{}</a> {}</li>"
+             username username
+             (if default
+               "(default :3)"
+               ""))))
+
+(def user-list (->> (listdir "/home")
+                sorted
+                (filter (fn [f] (not (= f "ubuntu"))))
+                (map dir->html)
+                (.join "\n")))
+
+(print (.format "<sub>generated at {}</sub><br>{}" timestamp user-list))