helm/bin/arch/volume.sh

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#!/usr/bin/env bash
if [[ $# == 0 ]]
then
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echo "$(amixer get Master | sed -n 's/^.*\[\([0-9]\+\)%.*$/\1/p' | uniq)"
exit
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fi
COMMAND=$1
case "$COMMAND" in
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[0-9]*) amixer set Master $COMMAND ;;
[+-]) amixer set Master 10%$COMMAND ;;
*mute) amixer set Master $COMMAND ;;
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toggle) amixer set Master toggle ;;
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*) >&2 echo "Invalid command"
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exit 1
;;
esac
# Report to lemonbar, if active
if amixer get Master | grep '\[off\]' >/dev/null
then
panel_notify.sh "V0"
else
panel_notify.sh "V$(amixer get Master | sed -n 's/^.*\[\([0-9]\+\)%.*$/\1/p' | uniq)"
fi