/usr/lib/udev/display dynamic xrandrerer

display

#!/bin/zsh

for i in /sys/class/drm/card0-*/status; do
    d="${${${i#*-}%/*}/(-?-|-)}"

    if [[ "$d" == "LVDS1" ]]; then
      t="--output LVDS1 --auto --primary$t"
    elif [[ "$(<$i)" == "connected" ]]; then
      t="$t --output $d --auto --left-of LVDS1"
    else
      t="$t --output $d --off"
    fi
done

doit() {
  DISPLAY=:0 XAUTHORITY=/home/apsu/.Xauthority xrandr $*
}

doit $(echo $t)