thinkpad dock change script

thinkpad-dock.sh

#!/bin/sh
exec >/home/dreamer/udev.out 2>&1
# wait for the dock state to change
sleep 0.5
DOCKED=$(cat /sys/devices/platform/dock.2/docked)
export XAUTHORITY=/home/dreamer/.Xauthority
export DISPLAY=:0
case "$DOCKED" in
    "0")
       #undocked event - lets remove all connected outputs apart from LVDS
       for output in $(/usr/bin/xrandr -d :0.0 --verbose|grep " connected"|grep -v LVDS|awk '{print $1}')
         do
         /usr/bin/xrandr -d :0.0 --output $output --off
       done
    ;;
    "1")
    #docked event - sample will created extended desktop with DVI1 to the right of LVDS1
    #/usr/bin/xrandr -d :0.0 --output DVI1 --right-of LVDS1 --auto
    xrandr --output HDMI1 --off --output LVDS1 --mode 1280x800 --pos 0x280 --rotate normal --output DP1 --off --output VGA1 --mode tvscreen --pos 1280x0 --rotate normal
    ;;
esac
exit 0