diff --git a/lua.cpp b/lua.cpp
index 2ea2c62..5ad4b9c 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -720,13 +720,26 @@ extern "C" {
     }
 
     static int cpp_sys_dir(lua_State *L) {
+        std::string path = "./data";
+        if (lua_gettop(L) > 0) path = luaL_checkstring(L, 1);
+
         lua_newtable(L);
         int i=1;
-        for (const auto& entry : fs::directory_iterator("./data")) {
+        
+        for (const auto& entry : fs::directory_iterator(path)) {
+            lua_newtable(L);  // create subtable for this entry
+
+            // name field
             lua_pushstring(L, entry.path().u8string().c_str());
+            lua_setfield(L, -2, "name");
+
+            // dir field (true if directory, false otherwise)
+            lua_pushboolean(L, entry.is_directory());
+            lua_setfield(L, -2, "dir");
+
+            // insert subtable into main table at index i
             lua_rawseti(L, -2, i++);
         }
-
         return 1;
     }
 
diff --git a/vscode/library.lua b/vscode/library.lua
index 7ad9f35..a53710e 100644
--- a/vscode/library.lua
+++ b/vscode/library.lua
@@ -416,9 +416,16 @@ function sys.beat(bts) end
 function sys.update(mode, ms) end
 
 ---@return table
----Gets a table with the name of each file in the data directory
+---Gets a table in which each entry has a field "name" with the name and a field "dir" with a
+---boolean specifying if it's a directory, for each file in the 'data' directory
 function sys.dir() end
 
+---@param path string
+---@return table
+---Gets a table in which each entry has a field "name" with the name and a field "dir" with a
+---boolean specifying if it's a directory, for each file in the specified path
+function sys.dir(path) end
+
 ---Exit the game
 function sys.quit() end