dune-weaver/dune-weaver-touch/scripts/screen-off

# /usr/local/bin/screen-off
#!/usr/bin/env bash
set -e
BL="/sys/class/backlight/$(ls /sys/class/backlight | head -n1)"
if [ -e "$BL/bl_power" ]; then echo 4 | sudo tee "$BL/bl_power"; else echo 0 | sudo tee "$BL/brightness"; fi
echo 1 | sudo tee /sys/class/graphics/fb0/blank >/dev/null