subprocess() {
    echo -e "\nChanging ESPBAUD\n\t1: 9600\n\t2: 115200\n\t3: 230400\n\t4: 460800\n\t5: 1152000\n\t6: 1500000\n\nEnter Selection: "
    read baudRate
    echo -e "\n"
    case $baudRate in
    1) selection=9600;;
    2) selection=115200;;
    3) selection=230400;;
    4) selection=460800;;
    5) selection=1152000;;
    6) selection=1500000;;
    esac

    echo $selection
}

function selectBaud() {
    echo -e "\nChanging ESPBAUD\n\t1: 9600\n\t2: 115200\n\t3: 230400\n\t4: 460800\n\t5: 1152000\n\t6: 1500000\n\nEnter Selection: "
    read baudRate
    echo -e "\n"
    case $baudRate in
    1) selection=9600;;
    2) selection=115200;;
    3) selection=230400;;
    4) selection=460800;;
    5) selection=1152000;;
    6) selection=1500000;;
    esac
    
    eval "$1=$selection"
    return 0;
}

if [ ! -z "$1" ]; then
    ret="$1"
else
    ret=''
    subprocess ret
fi

echo "ret: $ret"
export ESPBAUD=$ret
echo "\nBaudrate set to $ESPBAUD\n"
echo "\nAll done :3\n"