brightness (389B)
1 #!/bin/sh 2 3 fifo=/tmp/xobpipe-brightness 4 rate="5%" 5 6 if [ ! -e $fifo ]; then 7 killall xob 8 mkfifo $fifo 9 tail -f $fifo | xob & 10 fi 11 12 if test "$1" = "up"; then 13 brightnessctl s "$rate+" | egrep -o "[0-9]*%" | sed "s/%//g" > $fifo 14 elif test "$1" = "down"; then 15 brightnessctl s "$rate-" | egrep -o "[0-9]*%" | sed "s/%//g" > $fifo 16 else 17 echo "Usage: ./brightness [up|down]" 18 fi