From 187848660c15243802942b05c78dd572b3054d28 Mon Sep 17 00:00:00 2001
From: Jacob Salmela <jacob.salmela@pi-hole.net>
Date: Sat, 31 Mar 2018 16:12:29 -0500
Subject: [PATCH] try another fix for #2028

Signed-off-by: Jacob Salmela <jacob.salmela@pi-hole.net>
---
 gravity.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gravity.sh b/gravity.sh
index b040b69b..677f1956 100755
--- a/gravity.sh
+++ b/gravity.sh
@@ -382,9 +382,8 @@ gravity_ConsolidateDownloadedBlocklists() {
     if [[ -r "${i}" ]]; then
       # Remove windows CRs from file, convert list to lower case, and append into $matterAndLight
       tr -d '\r' < "${i}" | tr '[:upper:]' '[:lower:]' >> "${piholeDir}/${matterAndLight}"
-
       # Ensure that the first line of a new list is on a new line
-      lastLine=$(tail -1 "${piholeDir}/${matterAndLight}" | tr -d '\0')
+      IFS= read -r -d '' lastLine <"${piholeDir}/${matterAndLight}" || [[ $lastLine ]]
       if [[ "${#lastLine}" -gt 0 ]]; then
         echo "" >> "${piholeDir}/${matterAndLight}"
       fi