#!/bin/bash
#

#####################################################################
# Get current volume.
function get_volume()
{
    mixer=$(amixer get Master | grep 'Front Left:')
    echo $mixer | cut -d ' ' -f 4
}

#####################################################################
# Set volume.
function set_volume()
{
    amixer cset iface=MIXER,name="Master Playback Volume" $1 >/dev/null
}

if [[ $(basename $0 .sh) == 'sound' ]]; then
    sound_file=~/Documents/sounds/notify.wav
    if [[ "$1" ]]; then sound_file="$1"; fi

    ovol=$(get_volume)
    echo "Current volume: $ovol"
    aplay $sound_file
    sleep 2

    vol=40
    echo "Playing at: $vol"
    set_volume $vol
    aplay $sound_file
    sleep 2

    echo "Again at: $ovol"
    set_volume $ovol
    aplay $sound_file
fi
    
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