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#!/bin/sh
MAXBN=$(cat /sys/class/backlight/intel_backlight/max_brightness)
CURBN=$(cat /sys/class/backlight/intel_backlight/brightness)
if [ "$CURBN" -lt "$MAXBN" ]; then
CURBN=$(( $CURBN-78 ))
echo "$CURBN" > /sys/class/backlight/intel_backlight/brightness
notify-send Brightness "${CURBN}/${MAXBN}" -t 200
fi
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