From ad153ae041f40c4c4d730f35d9e58700ccd25906 Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Thu, 16 Feb 2017 22:29:08 +0800
Subject: [PATCH] fix https://github.com/Neilpang/acme.sh/issues/622

---
 acme.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/acme.sh b/acme.sh
index 36443e3..cf9d850 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1610,14 +1610,14 @@ _setopt() {
       __val="$(echo "$__val" | sed 's/&/\\&/g')"
     fi
     text="$(cat "$__conf")"
-    echo "$text" | sed "s|^$__opt$__sep.*$|$__opt$__sep$__val$__end|" >"$__conf"
+    printf -- "%s" "$text" | sed "s|^$__opt$__sep.*$|$__opt$__sep$__val$__end|" >"$__conf"
 
   elif grep -n "^#$__opt$__sep" "$__conf" >/dev/null; then
     if _contains "$__val" "&"; then
       __val="$(echo "$__val" | sed 's/&/\\&/g')"
     fi
     text="$(cat "$__conf")"
-    echo "$text" | sed "s|^#$__opt$__sep.*$|$__opt$__sep$__val$__end|" >"$__conf"
+    printf -- "%s" "$text" | sed "s|^#$__opt$__sep.*$|$__opt$__sep$__val$__end|" >"$__conf"
 
   else
     _debug3 APP