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#!/bin/sh
set -e
set -x
# Note the trailing slash
base="/sys/class/backlight/amdgpu_bl0/"
# base="/sys/class/backlight/intel_backlight/"
# pinebook
# base="/sys/class/backlight/backlight/"
_backlight="${base}brightness"
_max="${base}max_brightness"
_max="$(cat "$_max" | awk '{print $1/100;}')"
percent="$(echo "$1" | awk '{print int($1*'"$_max"');}')"
sudo sh -c "echo \"$percent\" > $_backlight"
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