From a7455d7edd0e81f34b8e9071286e201389728148 Mon Sep 17 00:00:00 2001
From: neil <neilgit@neilpang.com>
Date: Sat, 8 Jul 2023 14:11:51 +0800
Subject: [PATCH] fix
 https://github.com/acmesh-official/acme.sh/issues/4562#issuecomment-1598731384

---
 acme.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index 65b0a5b9..7a9468fd 100755
--- a/acme.sh
+++ b/acme.sh
@@ -2278,7 +2278,7 @@ _setopt() {
   if [ ! -f "$__conf" ]; then
     touch "$__conf"
   fi
-  if [ -n "$(tail -c 1 <"$__conf")" ]; then
+  if [ -n "$(tail -c1 <"$__conf")" ]; then
     echo >>"$__conf"
   fi