19 lines
613 B
Bash
Executable file
19 lines
613 B
Bash
Executable file
#!/usr/bin/env bash
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# Toggle brightness to 'sleep' or 'awake', since brightnessctl does not support
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# percentages of current amount.
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# Just run the script (twice)
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# Permanent memory
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previous=''
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if [ -z "${previous}" ] ; then
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current=$( cat /sys/class/backlight/intel_backlight/actual_brightness )
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# Doesn't have to be accurate so we can use built-in calculator.
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echo $(( current / 10 * 3 )) > /sys/class/backlight/intel_backlight/brightness
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else
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echo "${previous}" > /sys/class/backlight/intel_backlight/brightness
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fi
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# Write to file
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sed -i "s/^previous=.*$/previous=${current:-''}/" "${0}"
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