From 4c3bca05e598aeaf798654e7cb5ed4fa79661b20 Mon Sep 17 00:00:00 2001
From: Jon <jon@mscreations.net>
Date: Wed, 12 Oct 2016 22:51:53 -0400
Subject: [PATCH] Fix for no arguments causing error (#119)

---
 plexupdate.sh | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/plexupdate.sh b/plexupdate.sh
index 5027f5f..f760544 100755
--- a/plexupdate.sh
+++ b/plexupdate.sh
@@ -156,11 +156,13 @@ trimQuotes() {
   echo $__buffer
 }
 
-HASCFG="${@: -1}"
-if [ ! -z "${HASCFG}" -a ! "${HASCFG:0:1}" = "-" -a ! "${@:(-2):1}" = "--config" ]; then
-	if [ -f "${HASCFG}" ]; then
-		echo "WARNING: Specifying config file as last argument is deprecated. Use --config <path> instead."
-		CONFIGFILE=${HASCFG}
+if [ ! $# -eq 0 ]; then
+	HASCFG="${@: -1}"
+	if [ ! -z "${HASCFG}" -a ! "${HASCFG:0:1}" = "-" -a ! "${@:(-2):1}" = "--config" ]; then
+		if [ -f "${HASCFG}" ]; then
+			echo "WARNING: Specifying config file as last argument is deprecated. Use --config <path> instead."
+			CONFIGFILE=${HASCFG}
+		fi
 	fi
 fi