From 96d7eabed490fc31632ee8acc2db77f40e027543 Mon Sep 17 00:00:00 2001
From: Lukas Schauer <lukas@schauer.so>
Date: Sun, 6 Dec 2015 15:01:34 +0100
Subject: [PATCH] use "-s" to detect content in temporary curl error logfile

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

diff --git a/letsencrypt.sh b/letsencrypt.sh
index ec5467f..212ed7e 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -55,7 +55,7 @@ _request() {
     curl -sSf "${2}" -d "${3}" 2> "${temperr}"
   fi
 
-  if [[ ! -z "$(<${temperr})" ]]; then
+  if [[ -s "${temperr}" ]]; then
     echo "  + ERROR: An error occured while sending ${1}-request to ${2} ($(<"${temperr}"))" >&2
     rm -f "${temperr}"
     exit 1