change_emby_user.sh

#!/bin/bash
initScriptLocation="/etc/init/emby-server.conf"

function main() {
	
	service emby-server stop

	read -p 'Username: ' euser
	
	if [ -d "/var/lib/emby" ]; then
		chown -R  "$euser":"$euser" "/var/lib/emby";
	else
		chown -R  "$euser":"$euser" "/var/lib/emby-server";
	fi

	sed -i "s/setuid emby/setuid $euser/g" "$initScriptLocation"
	
	initctl reload-configuration
	
	service emby-server start

}

function elevate {

    echo "Attempting to Elevate..." 1>&2
    sudo "$0" "$@"
    exit $?

}

# Test for root.
if [ "$(id -u)" != "0" ]; then
	echo "This script must be run as root!"
	elevate
fi

main