#!/bin/sh

RUNNING_SINK=$(pactl list sinks | awk '
  /^Sink #/ {sink=$2}
  /State: RUNNING/ {print sink}
' | head -n1)

pactl list sinks | grep -A 20 "^Sink $RUNNING_SINK" | grep '^[[:space:]]Volume:' | \
    head -n $(( $SINK + 1 )) | tail -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,'