Interruptible countdown timer

interrupt_loop.sh

#!/bin/bash

interruptLoop() {
  countdown=10
  until read -s -n 1 -t 1; do
    if [ $countdown -eq 0 ]; then break; fi
    prefix="\033[0;34m "
    if [ $countdown -lt 6 ]; then prefix="\a\033[1;35m "; fi
    echo -ne  "$prefix Time til next run $countdown\033[0K\r"
    ((countdown = countdown - 1))

  done
}

while true;
do
  interruptLoop
  clear
  echo "RUNNING..."
done