#!/usr/bin/env sh

hour=$(date +%H)
dev=/sys/devices/platform/leds-gpio/leds/tp-link:blue:system

echo phy0rx > $dev/trigger

if [ $hour -ge 22 ]; then
  echo 'turn off led'
  echo 0 > $dev/brightness
else
  echo 'turn on led'
  echo 225 > $dev/brightness
fi

# */5 * * * * /bin/sh /root/led
# /etc/init.d/cron start
# /etc/init.d/cron enable