diff --git a/app/switch/resources/scripts/resources/functions/file_size.lua b/app/switch/resources/scripts/resources/functions/file_size.lua
new file mode 100644
index 0000000000..68d97775dd
--- /dev/null
+++ b/app/switch/resources/scripts/resources/functions/file_size.lua
@@ -0,0 +1,19 @@
+
+--get the file size
+function file_size(file_path)
+    -- Open the file for reading
+    local file = io.open(file_path, "r");
+
+    --return 0 if unable to open the file
+    if not file then
+        return 0;
+    end
+
+    -- Seek to the end of the file and get the position
+    local size = file:seek("end");
+
+    -- Close the file
+    file:close();
+
+    return size;
+end