Simple mute script for softvol [ALSA]

I noticed that mute is not supported for softvol mixers in ALSA, so I made a simple script to emulate muting. The volume level is stored in volume.txt. I hope somebody finds this useful! This script changes the Master mixer by default.
mute.sh:
#!/bin/bash
var=$(amixer get Master | grep "Front Left:")
var=$(echo "$var" | sed -ne 's/^[^[]*\[$[^]]*$\].*/\1/p')
if [ $var == "0%" ]
then
volume=`cat volume.txt`
amixer set 'Master' $volume
else
rm volume.txt
echo $var > volume.txt
amixer set 'Master' 0%
fi
You can bind it to mute hotkey for example with xbindkeys:
.xbindkeysrc:
#Mute
"/media/disk/programs/mute.sh"
m:0x0 + c:121
XF86AudioMute
(Change the file path accordingly)

nawitus wrote:That doesn't work for me.
you probably just need to tweak the options slightly. the toggle command simply switches playback off and on for a given control, so you just need to find the control that works on your system.
you can list the controls like this:
$ amixer scontrols
Simple mixer control 'Master',0
Simple mixer control 'Headphone',0
Simple mixer control 'PCM',0
Simple mixer control 'Front',0
on my system, only 'Master' and 'Front' can be used to mute the sound - but every system will differ slightly.
maybe something like this will work for you:
amixer set Front toggle

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