little (hotkey) script which toggles audio output between VR HMD headphones and regular speakers

paToggle

#!/bin/bash

function PACtl {
	LC_ALL=C /usr/bin/pactl "$@"
}

function getAvailablePAProfiles {
	PACtl list | grep -E 'output.*stereo.*HDMI.*yes' | cut -d':' -f1,2 | awk '{$1=$1};1'
}

function setActive {
	PACtl set-card-profile 0 "$1"
}

PROF1="$(getAvailablePAProfiles | head -n1)"
PROF2="$(getAvailablePAProfiles | tail -n1)"
ACTIVE_PROF="$(PACtl list | grep -E 'Active Profile.*output' | awk -F ': ' '{print $2}')"

if [ "$ACTIVE_PROF" == "$PROF1" ] ; then
	setActive "$PROF2"
else
	setActive "$PROF1"
fi