myvol

#! /bin/bash
#
# This script is for adjusting the volume in a finer granularity.
# You can map a hotkey with this script, eg. Shift + VolumeIncrement -> `myvol add`.
# Be sufe to install 'alsa-utils' from Ubuntu apt-get.

showInfo(){
    echo "Aliases:"
    echo "  myvol get = amixer -D pulse sget Master"
    echo "  myvol set x = amixer -D pulse sset Master x%"
    echo "  myvol add = amixer -D pulse sset Master 2%+"
    echo "  myvol sub = amixer -D pulse sset Master 2%-"
}

if [ $# == 0 ]; then
    showInfo
else
    case $1 in
        get)
            amixer -D pulse sget Master
        ;;
        set)
            amixer -D pulse sset Master $2%
        ;;
        add)
            amixer -D pulse sset Master 2%+
        ;;
        sub)
            amixer -D pulse sset Master 2%-
        ;;
        *)
            showInfo
        ;;
    esac
fi