From 030de998afc53567b93efccf2327d81981eb380c Mon Sep 17 00:00:00 2001
From: davidh-ssec <david.hoese@ssec.wisc.edu>
Date: Thu, 4 Jan 2018 14:16:59 -0600
Subject: [PATCH] Fix handling unexpected loggernet output
---
scripts/loggernet_rotate.sh | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/scripts/loggernet_rotate.sh b/scripts/loggernet_rotate.sh
index 20ca917..e3458fa 100755
--- a/scripts/loggernet_rotate.sh
+++ b/scripts/loggernet_rotate.sh
@@ -52,7 +52,7 @@ EOF
# specially handles 2400 which should go for the next day, not the past day
yyyy_jjj_tower_split() {
awk_command='
-NR>header_size {
+(NR>header_size) && ($1 == "1") {
time_spec = sprintf("%04d 01 %03d 00 00 00", $2, $3);
epoch_seconds = mktime(time_spec);
if ($4 == "2400")
@@ -110,7 +110,12 @@ for file_suffix in $FILE_SUFFIXES; do
yyyy_jjj_tower_split $input_file
# copy the header back to the original file
- cp $header_fn $input_file
+ if [ -s $header_fn ]; then
+ cp $header_fn $input_file
+ else
+ # loggernet doesn't like empty destination files
+ rm $input_file
+ fi
# remove the temporary header file
rm ${header_fn}
--
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