luci-app-rtorrent/root/etc/init.d/rtorrent

#!/bin/sh /etc/rc.common

START=99
STOP=99

SCREEN=/usr/sbin/screen
PROG=/usr/bin/rtorrent

start() {
  sleep 3
  $SCREEN -dm -t rtorrent nice -19 $PROG
}

stop() {
  killall rtorrent
}