Select default source for PulseAudio

select-default-source.sh

#!/bin/bash
# select-default-source.sh
#   Description: Select default source for PulseAudio
#   Author:      FraFra (Francesco Frassinelli - frafra.eu)
#   License:     GPLv3

SOURCES=($(LC_ALL=C pactl list sources | grep -P '^\tName: ' | cut -d ' ' -f 2))
DEFAULT=$(LC_ALL=C pactl info | grep '^Default Source: ' | cut -d ' ' -f 3)

echo "Sources:"

i=0
for source in ${SOURCES[@]}; do
    echo -n "$i) $source"
    if [ $source == $DEFAULT ]; then
        echo -n " (*)"
    fi
    echo
    let i++
done
let i--

echo -n "Select source ID [0-$i]: "
read id

pactl set-default-source ${SOURCES[$id]}