diff --git a/item-sorter.lua b/item-sorter.lua
new file mode 100644
index 0000000..69d9813
--- /dev/null
+++ b/item-sorter.lua
@@ -0,0 +1,32 @@
+-- Item Sorter. Filter list is specified in itemlist.txt.
+-- Ejects listed items up and unlisted items down.
+-- Filter list should look like this:
+--   minecraft:carrot
+--   minecraft:potato
+--   foodexpansion:itemhorsemeat
+--   ...
+
+while true do
+  for x=1,16 do
+    turtle.select(x)
+    local item = turtle.getItemDetail()
+    if item ~= nil then
+      local match = false
+      local file = fs.open("itemlist.txt", "r")
+      local cur = file.readLine()
+      while cur ~= nil do
+        if item.name == cur then
+          match = true
+        end
+        cur = file.readLine()
+      end
+      if match then
+        print("Match    => " .. item.name)
+        turtle.dropUp()
+      else
+        print("No match => " .. item.name)
+        turtle.dropDown()
+      end
+    end
+  end
+end
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