home/bin/vol_set

   1 #! /bin/bash
   2
   3 set -e
   4
   5 if [ "$1" != "" ]
   6 then
   7     value="$1"
   8 else
   9     value="50%"
  10 fi
  11
  12 sink="$(pactl info | awk '/^Default Sink:/ {print $3; exit 0}')"
  13 pactl set-sink-mute   "$sink" false
  14 pactl set-sink-volume "$sink" "$value"