diff --git a/ReadMe.md b/ReadMe.md
index 2e40604..b2e9907 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -26,3 +26,4 @@ Arguments:
 
 ## Tasks
 - [ ] synopsis_generator cache should include file sizes to make script running easier/faster
+- [ ] The whitelisting/blacklisting of tree should be in list too.
diff --git a/lib/utility.lua b/lib/utility.lua
index 14ae6fc..d9c0ac0 100644
--- a/lib/utility.lua
+++ b/lib/utility.lua
@@ -244,6 +244,13 @@ utility.tree = function(path, options, fn)
   utility.list(path or ".", function(path_name)
     if options.blacklist and options.blacklist[path_name] then return end
     if options.whitelist and (not options.whitelist[path_name]) then return end
+
+    if options.extension_blacklist or options.extension_whitelist then
+      local _, _, extension = utility.split_path_components(path_name)
+      if options.extension_blacklist and options.extension_blacklist[extension] then return end
+      if options.extension_whitelist and (not options.extension_whitelist[extension]) then return end
+    end
+
     if utility.is_file(path_name) then
       fn(path_name)
     else
@@ -541,4 +548,26 @@ end
 
 
 
+-- additionally returns total and count
+utility.mean = function(object)
+  local total, count = 0, 0
+  for _, value in pairs(object) do
+    total = total = value
+    count = count + 1
+  end
+  return total / count, total, count
+end
+
+-- additionally returns total
+utility.median = function(object)
+  local tab = {}
+  for _, value in pairs(object) do
+    tab[#tab + 1] = value
+  end
+  table.sort(tab)
+  return tab[math.floor(#tab / 2)], #tab
+end
+
+
+
 return utility
diff --git a/synopsis_generator.lua b/synopsis_generator.lua
index ddfb1f1..aab0b1d 100755
--- a/synopsis_generator.lua
+++ b/synopsis_generator.lua
@@ -70,18 +70,16 @@ if arg[1] == "export_ordered_list_of_prompts" then
       local object = utility.load_data(full_path)
       items[path_name] = object
       if type(object.scoring) == "table" then
-        local s = object.scoring
-        local total_score = s.conflict_potential + s.emotional_potential + s.character_potential + s.worldbuilding_potential + s.expansion_potential + s.overall_promise + s.memorability + s.originality + s.curiosity + s.hook
-        item_order[#item_order + 1] = { path_name = path_name, total_score = total_score, }
+        local mean_score, total_score = utility.mean(object.scoring)
+        item_order[#item_order + 1] = { path_name = path_name, total_score = total_score, mean_score = mean_score, }
       end
     end
   end)
-  table.sort(item_order, function(A,B) return A.total_score > B.total_score end)
-  -- for k,v in pairs(item_order) do print(v.path_name,v.total_score) end
+  table.sort(item_order, function(A,B) return A.mean_score > B.mean_score end)
   local output = {
     "---",
     "title: Ordered Synopses (" .. #item_order .. " items)",
-    "author: [\"Gemma4:12b-mlx\", \"Tangent\", \"Ollama\"]",
+    "author: [\"" .. model .. "\", \"Tangent\", \"Ollama\"]",
     "publisher: Tangent",
     "---",
     "",
@@ -95,7 +93,6 @@ if arg[1] == "export_ordered_list_of_prompts" then
         tab[index] = "#" .. tab[index]
       end
     end
-    -- output[#output + 1] = "# " .. v.path_name .. " (" .. v.total_score .. ")\n\n" .. item.synopsis .. "\n"
     output[#output + 1] = "# " .. v.path_name .. " (" .. v.total_score .. ")\n\n" .. table.concat(tab, "\n") .. "\n"
     output[#output + 1] = "## Scoring\n\n```json\n" .. json.encode(item.scoring, { indent = true, }) .. "\n```\n"
   end