blink monitor

#!/bin/bash
#card1  card1-DP-1  card1-DP-2  card1-HDMI-A-1  card1-HDMI-A-2  card1-VGA-1  renderD128
while true
do
 echo "Моргаем HDMI..."
 echo off | sudo tee /sys/class/drm/card1-DP-1/status
 sleep 7
 echo detect | sudo tee /sys/class/drm/card1-DP-1/status
 echo "Готово. Текущий статус:"
 cat /sys/class/drm/card1-DP-1/status
done