function yes_no_abort {
    while true; do
        read -p "$* [y/n/a]: " yn
        case $yn in
            [Yy]*) echo "Answered Yes"; return 0  ;;
            [Nn]*) echo "Answered No" ; return 1 ;;
            [Aa]*) echo "Answered Abort" ; return 2 ;;
        esac
    done
}