diff --git a/zsh/.zsh/10-helpers.zsh b/zsh/.zsh/10-helpers.zsh
index 1995c16..799035d 100644
--- a/zsh/.zsh/10-helpers.zsh
+++ b/zsh/.zsh/10-helpers.zsh
@@ -24,3 +24,7 @@ gitall() {
         cd "$ROOT";
     done
 }
+
+md5dir() {
+    find $1 -type f -print0 | xargs -0 md5sum
+}