27 lines
719 B
Plaintext
27 lines
719 B
Plaintext
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#!/bin/bash
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#
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# Manage ALSA Master channel
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test "$1" = "-h" && echo "usage `basename $0` [up|down|mute]" && exit 0
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level() {
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amixer get Master | sed -n 's/^.*\[\([0-9]\+%\).*$/\1/p' | uniq
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}
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state() {
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amixer get Master | sed -n 's/^.*\[\(o[nf]\+\)]$/\1/p' | uniq
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}
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test $# -eq 0 && echo "`level` `state`" && exit 0
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case $1 in
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up) amixer set Master ${2:-5}%+ >/dev/null ||autoalsaconfamixer;;
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down) amixer set Master ${2:-5}%- >/dev/null ||autoalsaconf;;
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mute) amixer set Master toggle >/dev/null ||autoalsaconf;;
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state|level) $1 ||autoalsaconf;;
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set) amixer set Master $2% >/dev/null ||autoalsaconf;;
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*) amixer set Master $1% >/dev/null ||autoalsaconf;;
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esac
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