diff --git a/codesize.sh b/codesize.sh
index 8b137891..610e3617 100644
--- a/codesize.sh
+++ b/codesize.sh
@@ -1 +1,3 @@
-
+#!/bin/sh
+bytes=$(cat blk.fs arch/*/blk.fs | wc -c)
+echo "$((bytes/1024)) KB"