34 lines
754 B
Bash
Executable File
34 lines
754 B
Bash
Executable File
#!/bin/bash
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# Need brightness-udev for non root users to access file
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function inc_brightness() {
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inc=$1
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current=$(cat /sys/class/backlight/intel_backlight/brightness)
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echo $((current + inc)) > /sys/class/backlight/intel_backlight/brightness
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exit
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}
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function dec_brightness() {
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dec=$1
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current=$(cat /sys/class/backlight/intel_backlight/brightness)
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echo $((current - dec)) > /sys/class/backlight/intel_backlight/brightness
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exit
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}
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function main ()
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{
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while [[ $# -ne 0 ]]; do
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arg="$1"; shift
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case "$arg" in
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--inc) val=$1; inc_brightness $val ;;
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--dec) val=$1; dec_brightness $val ;;
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* ) [[ $arg =~ \-+.* ]] && echo "$arg unknown"
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esac
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done
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}
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main "$@"
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