#!/bin/bash
HOST="murlocs.org"
USER="xx"
PASS="xx"
FTPURL="ftp://$USER:$PASS@$HOST"
LCD="/root/test"
RCS="/"

base_name="$(basename "$0")"
lock_file="/tmp/$base_name.lock"
trap "rm -f $lock_file" SIGINT SIGTERM
if [ -e "$lock_file" ]
then
  echo "already running"
  exit
else
  touch "$lock_file"
  lftp -c "set ftp:list-options -a; set ssl:verify-certificate no;
  open '$FTPURL';
  lcd $LCD;
  cd $RCS;
  mirror -c -P5 --verbose --newer-than=now-5minutes"
  quit

rm -d "$lock_file"
trap - SIGINT SIGTERM
exit
fi