Example lua script to re-order/reverse plugins

scripts/s_plugin_reorder.lua

@@ -0,0 +1,23 @@
+ardour { ["type"] = "Snippet", name = "Plugin Order Reverse" }
+
+function factory () return function ()
+	local sel = Editor:get_selection ()
+	-- for each selected track/bus
+	for r in sel.tracks:routelist ():iter () do
+		print ("Route:", r:name ())
+		local neworder = ARDOUR.ProcessorList(); -- create a PluginList
+		local i = 0;
+		repeat -- iterate over all plugins/processors
+			local proc = r:nth_processor (i)
+			if not proc:isnil () then
+				-- append plugin to list
+				neworder:push_back(proc)
+			end
+			i = i + 1
+		until proc:isnil ()
+		-- reverse list
+		neworder:reverse()
+		-- and set new order
+		r:reorder_processors (neworder, nil)
+	end
+end end