19 lines
427 B
Bash
19 lines
427 B
Bash
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#!/bin/bash
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# brightness - on my thinkpad
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max=$(cat /sys/class/backlight/intel_backlight/max_brightness)
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echo "Max: $max"
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min=0
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echo "Min: $min"
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value=250
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echo "Value: $value"
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actual=$(cat /sys/class/backlight/intel_backlight/actual_brightness)
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echo "Actual: $actual"
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future=$(($actual-$value))
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if [ $future -lt 0 ]; then
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future=0
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fi
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echo "Future: $future"
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tee /sys/class/backlight/intel_backlight/brightness <<< $future
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