x/.local/bin/xrandr-extend-hdmi.sh

   1 #!/bin/sh
   2 external=HDMI-1
   3 if xrandr | grep -q 'DP-2-1 connected'
   4 then
   5         echo "Docking station detected"
   6         xrandr --output eDP-1 --auto --output DP-2-1 --right-of eDP-1 --auto
   7 elif xrandr | grep -q 'HDMI-1 connected'
   8 then
   9         echo "HDMI"
  10         xrandr --output eDP-1 --auto --output HDMI-1 --right-of eDP-1 --auto
  11 else
  12         echo "No external screen detected"
  13 fi