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#!/bin/bash |
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set -e |
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# Define the backlight device |
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BACKLIGHT_DEVICE="/sys/class/backlight/intel_backlight" |
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DECREMENT=300 # Adjust this to the value you want to increase |
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# Get the current and max brightness |
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current_brightness=$(cat "$BACKLIGHT_DEVICE/brightness") |
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max_brightness=$(cat "$BACKLIGHT_DEVICE/max_brightness") |
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# Calculate new brightness value |
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new_brightness=$((current_brightness - DECREMENT)) |
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# Ensure it doesn't exceed the maximum brightness |
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if [ "$new_brightness" -gt "$max_brightness" ]; then |
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new_brightness=$max_brightness |
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fi |
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# Set the new brightness |
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echo "$new_brightness" > "$BACKLIGHT_DEVICE/brightness" |
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notify-send "Brightness increased to $new_brightness" |