Add timestamp to addConf backup

sequencer/sequencer.sh

@@ -152,14 +152,15 @@ addConf() {
       echo "skipping (exists)"
     else 
       # try backup existing config
-      if [ ! -f "$3".bck ] ; then
-        cp -ar "$3" "$3".bck
+      local addConfBackup="${3}_`date +%Y%m%d-%H%M%S`.bck"
+      if [ ! -f "$addConfBackup" ] ; then
+        cp -ar "$3" "$addConfBackup"
         if [ $confMode == "-c" ] ; then
           echo "$2" > "$3"
         else
           echo "$2" >> "$3"
         fi
-        echo -e "ok \n[WARN] Existing config saved to ${3}.bck"
+        echo -e "ok \n[WARN] Existing config saved to ${addConfBackup}"
         return 0
       else
         echo "nok (backup exists)"