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#!/bin/bash
# Displays the default device, volume, and mute status for i3blocks
set -a
AUDIO_MUTED_SYMBOL=
AUDIO_SYMBOL=
MIXER="default"
if amixer -D pulse info >/dev/null 2>&1 ; then
MIXER="pulse"
fi
function print_block {
ACTIVE=$(pacmd list-sinks | grep "state\: RUNNING" -B4 -A7 | grep "index:\|name:\|volume: front\|muted:")
[ -z "$ACTIVE" ] && ACTIVE=$(pacmd list-sinks | grep "index:\|name:\|volume: front\|muted:" | grep -A3 '*')
for name in INDEX NAME VOL MUTED; do
read $name
done < <(echo "$ACTIVE")
INDEX=$(echo "$INDEX" | grep -o '[0-9]\+')
VOL=$(echo "$VOL" | grep -o "[0-9]*%" | head -1 )
VOL="${VOL%?}"
if [[ $MUTED =~ "no" ]] ; then
SYMB=$AUDIO_SYMBOL
else
SYMB=$AUDIO_MUTED_SYMBOL
fi
echo "<span font='FontAwesome'>${SYMB}</span> ${VOL}%"
}
print_block
while read -r EVENT; do
print_block
done < <(pactl subscribe | stdbuf -oL grep change)
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