i3 hdmi detect

hdmi.sh

#!/bin/bash
export DISPLAY=:0
export XAUTHORITY=/home/manuel/.Xauthority
export XDG_RUNTIME_DIR=/run/user/$(id -u)

hdmi_active="$(cat /sys/class/drm/card0/*HDMI*/status | grep '^connected')"

echo $hdmi_active

if [[ "$hdmi_active" == "connected" ]]; then
	notify-send -i "/usr/share/icons/Paper/16x16/devices/computer.png" -t 3000 "HDMI: connected"
	exec /home/manuel/.screenlayout/i3.sh &
else
	notify-send -i "/usr/share/icons/Paper/16x16/devices/computer.png" -t 3000 "HDMI: disconnected"
	exec /home/manuel/.screenlayout/single.sh &
fi

i3.sh

#!/bin/sh
xrandr --output HDMI1 --mode 1920x1080 --pos 0x0 --rotate normal --output LVDS1 --primary --mode 1366x768 --pos 1920x312 --rotate normal --output VIRTUAL1 --off --output DP1 --off --output VGA1 --off

single.sh

#!/bin/sh
xrandr --output HDMI1 --off --output LVDS1 --primary --mode 1366x768 --pos 0x0 --rotate normal --output VIRTUAL1 --off --output DP1 --off --output VGA1 --off