showLoading bash function

gistfile1.sh

doSomeTask() {
  // make build or some other long task
}

showLoading() {
  mypid=$!
  loadingText=$1

  echo -ne "$loadingText\r"

  while kill -0 $mypid 2>/dev/null; do
    echo -ne "$loadingText.\r"
    sleep 0.5
    echo -ne "$loadingText..\r"
    sleep 0.5
    echo -ne "$loadingText...\r"
    sleep 0.5
    echo -ne "\r\033[K"
    echo -ne "$loadingText\r"
    sleep 0.5
  done

  echo "$loadingText...FINISHED"
}

doSomeTask & showLoading "DOING SOME TASK"