namikingsoft/repeat-seconds.sh

## repeat-seconds.sh
TIMEOUT_UNIXTIME="$(($(date +%s)+10))"
while [ "$(date +%s)" -lt "$TIMEOUT_UNIXTIME" ]; do
  echo test
done

# bash
$TIMEOUT_SECONDS=$((SECONDS+10))
while [ $SECONDS -lt $TIMEOUT_SECONDS ]; do
  echo test
done
	TIMEOUT_UNIXTIME="$(($(date +%s)+10))"
	while [ "$(date +%s)" -lt "$TIMEOUT_UNIXTIME" ]; do
	echo test
	done

	# bash
	$TIMEOUT_SECONDS=$((SECONDS+10))
	while [ $SECONDS -lt $TIMEOUT_SECONDS ]; do
	echo test
	done