From e4f3d628c0e558a6725a4b6768fd36d86f0fd472 Mon Sep 17 00:00:00 2001
From: alanw <alan_weinstock@steris.com>
Date: Tue, 2 May 2023 12:57:26 -0700
Subject: [PATCH] fixed logs capturing empty lines and escape sequences

---
 functions | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/functions b/functions
index 4805f00..28b7965 100644
--- a/functions
+++ b/functions
@@ -414,11 +414,14 @@ popdfail(){
 }
 
 logger(){
-  #$@ 2>&1 | tee >(ts "[$scriptname][%d-%m-%y %H_%M_%S]" > $logfile) # This version of prepend requires the 'ts' utility from 'moreutils' package
   $@ 2>&1 | tee >(
     while IFS= read -r line; do
-      _line=$(echo $line | sed "s,\x1B\[[0-9;]*[mK],,g" | tr -dc '[:print:]')
-      printf '[%s] %s\n' "${scriptname}][${prettyDate}" "$_line"
+      # strip any escaped strings for logging output 
+      _line=$(echo $line | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" | tr -dc '[:print:]')
+      # only print out non-empty lines to log
+      if [[ "$_line" != "" ]] ; then
+        printf '[%s] %s\n' "${scriptname}][${pretty_date}" "$_line"
+      fi
     done >> $logfile
   )
 }