#!/bin/bash

function poll_key {
    while true; do
        read -s -t 1 -n 1 KEY;
        if [ "$KEY" = "r" ]; then
            echo "key pressed"
        fi
        echo loop
    done
}

function control_c {
    setterm -cursor on
    echo "control+c trap detected"
    exit $1
}

function main {
    setterm -cursor off
    trap control_c SIGINT
    poll_key
}

main;