From f83e7a76cf42afd11c49741716cb838467b14b37 Mon Sep 17 00:00:00 2001
From: mischa <mischa@rx.high5.nl>
Date: Sat, 3 Jun 2023 19:03:51 +0000
Subject: [PATCH] don't diff when rss doesn't exist

---
 uptimeatomic | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/uptimeatomic b/uptimeatomic
index 4601d41..d1cf2a0 100755
--- a/uptimeatomic
+++ b/uptimeatomic
@@ -298,9 +298,14 @@ cat << EOF >> ${_RSSFILE}
 EOF
 fi
 
-_diff=$(diff "${_RSSFILE}" "${HTMLDIR}/${RSS_FILE}" | wc -l)
-if [ "${_diff}" -ne "4" ]; then
+if [ -s "${HTMLDIR}/${RSS_FILE}" ]; then
+	_diff=$(diff "${_RSSFILE}" "${HTMLDIR}/${RSS_FILE}" | wc -l)
+	if [ "${_diff}" -ne "4" ]; then
+		cp ${_RSSFILE} ${HTMLDIR}/${RSS_FILE}
+	fi
+else
 	cp ${_RSSFILE} ${HTMLDIR}/${RSS_FILE}
 fi
+
 cp ${_HTMLFILE} ${HTMLDIR}/${HTMLFILE}
 rm -r "${_TMP}" 2>/dev/null