25 lines
481 B
Bash
Executable File
25 lines
481 B
Bash
Executable File
#! /bin/bash
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CURRENT=`xrandr --verbose | grep -m 1 -i brightness | cut -f2 -d ' '`
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OUTPUT=`xrandr|grep ' connected'|grep 'primary'|cut -d' ' -f 1`
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GAP=0.1
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NEWVALUE=${CURRENT}
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case $1 in
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up)
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NEWVALUE=`echo "${CURRENT}+${GAP}"|bc -l`
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;;
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down)
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NEWVALUE=`echo "${CURRENT}-${GAP}"|bc -l`
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;;
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reset)
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NEWVALUE=1
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;;
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read)
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echo "${CURRENT}*100/1"|bc
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exit 0
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;;
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esac
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xrandr --output ${OUTPUT} --brightness ${NEWVALUE}
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