Skip analyze_pihole_log if query logging has been disabled

Signed-off-by: Christian König <ckoenig@posteo.de>

advanced/Scripts/piholeDebug.sh

@@ -1326,6 +1326,12 @@ analyze_pihole_log() {
   local pihole_log_tail=()
   local pihole_log_permissions
 
+  local logging_enabled=$(grep -c "^log-queries" /etc/dnsmasq.d/01-pihole.conf)
+  if [[ "${logging_enabled}" == "0" ]]; then
+      # No "log-queries" lines are found.
+      # Commented out lines (such as "#log-queries") are ignored
+      log_write "${INFO} Query logging is disabled"
+  else
       # Put the current Internal Field Separator into another variable so it can be restored later
       OLD_IFS="$IFS"
       # Get the lines that are in the file(s) and store them in an array for parsing later
@@ -1342,6 +1348,7 @@ analyze_pihole_log() {
       log_write ""
       # Set the IFS back to what it was
       IFS="$OLD_IFS"
+  fi
 }
 
 tricorder_use_nc_or_curl() {