diff --git a/colddb.lua b/colddb.lua
index b3de00c..a27fae5 100644
--- a/colddb.lua
+++ b/colddb.lua
@@ -26,7 +26,7 @@ function colddb.Colddb(dir)
 	setmetatable(mem_pool_del, {__mode = "kv"})
 	setmetatable(indexes_pool, {__mode = "kv"})
 	
-	local function file_Exists(name, tag_name)
+	local function file_exists(name, tag_name)
 		local t = ""
 		if tag_name then
 			t = self.get_tag(tag_name)
@@ -180,6 +180,10 @@ function colddb.Colddb(dir)
 		end)
 	end
 	
+	self.exists = function(name, tag_name)
+		return file_exists(name, tag_name)
+	end
+	
 	self.add_tag = function(name, tag, no_new_path)
 		local t = ""
 		if not tags[name] then
@@ -196,7 +200,7 @@ function colddb.Colddb(dir)
 		if no_new_path then
 			return
 		end
-		local test_path = string.format("%s%s%s", directory, tags[name], t)
+		local test_path = string.format("%s%s", directory, tags[name])
 		if not minetest.mkdir(test_path) then
 			error(string.format("%s is not a directory.", test_path))
 		end
@@ -271,6 +275,7 @@ function colddb.Colddb(dir)
 		if tag_name then
 			t = self.get_tag(tag_name)
 		end
+		minetest.log(string.format("%s%s%s.cold", directory, t, name))
 		return minetest.safe_file_write(string.format("%s%s%s.cold", directory, t, name), minetest.serialize(_table))
 	end
 
@@ -336,7 +341,7 @@ function colddb.Colddb(dir)
 		local fs = indexes_pool[cs]
 		if not fs then
 			local p = string.format("%s%s%s.cold", directory, t, name)
-			if not file_Exists(name,tag_name) then
+			if not file_exists(name,tag_name) then
 				local f = io.open(p, "w")
 				if f then
 					f:seek("set")