22 lines
408 B
Bash
Executable File
22 lines
408 B
Bash
Executable File
#!/bin/sh
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FILE=/sys/class/backlight/amdgpu_bl1/brightness
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if ! ( test -w "$FILE" ); then
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xterm +cm -cr RED -bg BLACK -selbg WHITE -selfg BLACK -fg WHITE -fa Monospace -fs 14 -e "sudo chmod 777 $FILE"
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fi
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new=$(cat $FILE)
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if [ "$1" = "up" ]; then
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new=$((new + 13))
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elif [ "$1" = "down" ];then
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new=$((new - 13))
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fi
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if [ $new -gt 255 ]; then
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new=255
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elif [ $new -lt 0 ]; then
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new=0
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fi
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echo $new > $FILE
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