diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..6442756
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,9 @@
+find src | entr -c sh -c 'echo "\n\n\n\n" ; zig build test 2>&1 | cat; echo "\n\n\n" ;  date'
+
+# build exe for windows 
+#     doesn't work anymore, because I added the version number as module "config" to the
+#     root_module. In main,zig we import the module. This only works when building
+#     using the build.zig file, but not when building without a build file.
+#zig build-exe src/main.zig -O ReleaseSmall -fstrip -fsingle-threaded -target x86_64-windows
+
+zig build && ./zig-out/bin/zig-totp list