controlling volume from command line

[Patrick Nagel]

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D. R. Evans wrote:
> For years I have used the command:
>   dcop kmix Mixer0 setVolume 0 0
> to set volume to zero.
> 
> How do I do this in KDE4 (specifically, Kubuntu 8.10)?

I bound the following shell script to the Mute button of my laptop (with
xbindkeys):

#!/bin/bash

STATE=$( amixer -c 0 sget 'Master' | tail -n 1 | cut -d' ' -f8 )

case "${STATE}" in

( "[on]" ) # Un-muted
        amixer -c 0 -q sset 'Master' off
        echo "Mute ON"
        kdialog --passivepopup "Mute ON" 2 2>/dev/null &
;;

( "[off]" ) # Muted
        amixer -c 0 -q sset 'Master' on
        echo "Mute OFF"
        kdialog --passivepopup "Mute OFF" 2 2>/dev/null &
;;

esac

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