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#!/bin/sh
if type pamixer &> /dev/null
then
command_inc="pamixer -i "
command_dec="pamixer -d "
command_toggle="pamixer -t"
elif type amixer &> /dev/null
then
command_inc="amixer -q set Master "
inc_suff="%+"
command_dec="amixer -q set Master "
dec_suff="%-"
command_toggle="amixer -q set Master toggle"
else
command_inc="i3-nagbar -m \"please install amixer(ALSA) or pamixer(PA)\""
command_dec="i3-nagbar -m \"please install amixer(ALSA) or pamixer(PA)\""
command_toggle="i3-nagbar -m \"please install amixer(ALSA) or pamixer(PA)\""
fi
if [[ $1 =~ ^\+[0-9]$ ]]
then
eval $command_inc "${1:1}$inc_suff"
elif [[ $1 =~ ^\-[0-9]$ ]]
then
eval $command_dec "${1:1}$dec_suff"
elif [[ $1 = "toggle" ]]
then
eval $command_toggle
else
eval "i3-nagbar -m \"not supported command $1\""
fi
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