#!/bin/sh

# $Id: vol,v 1.4 2003/04/30 01:00:36 shamim Exp $

# Print current volume for some channel
#
# Usage:
#     vol -[lv] [label]
#
#   show main volume using default label "Vol. "
#     vol -v
#     Vol. |||||||||||||||||||||||||||||||||||||||-----------
#     
#   show "line in" volume with other label
#     vol -l 'Line-in volume: '
#     Line-in volume: |||||||||||||||||||||||||-------------------------
#

if [ "$#" -ge 2 ]; then
    LABEL="$2"
else
    LABEL="Vol. "
fi

aumix $1 q | awk -F, -v "s=$LABEL" '{
    for (i = 0; i < $2; i += 2)
        s = s "|";
    for (; i < 100; i += 2)
        s = s "-";
    print s;
}'