From 7b09145c268388284d6380cf4b473db66656a479 Mon Sep 17 00:00:00 2001
From: Crestwave <crest.wave@yahoo.com>
Date: Mon, 23 Sep 2019 20:32:26 +0800
Subject: [PATCH] docs: update

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index b88936a..1b8c228 100644
--- a/README.md
+++ b/README.md
@@ -397,6 +397,7 @@ head() {
         i=$((i+1))
         [ "$i" = "$1" ] && return
     done < "$2"
+
     [ -n "$line" ] && printf %s "$line"
 }
 ```