diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
index 13d8196..2bda9a0
--- a/build.sh
+++ b/build.sh
@@ -1 +1,12 @@
-#!/usr/bin/sh
+#!/bin/sh
+
+function process {
+  cc -E - < "$1"
+}
+
+rm -rf ./build
+mkdir ./build
+
+for html_file in $(find -name "*.html"); do
+  sed "/^#/d" <(process $html_file) > ./build/${html_file#./}
+done