diff --git a/packdata.sh b/packdata.sh
new file mode 100755
index 0000000..476a7f6
--- /dev/null
+++ b/packdata.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+set -e
+pushd data
+zip -9X ../saland.data $(find * | sort)
+popd
\ No newline at end of file