keep-running/bin/test.sh

#!/bin/bash

SLEEP=${1:-10}
EXIT=${2:-0}

echo "Sleeping for $SLEEP seconds...";

sleep "$SLEEP";

echo "Waking up!";

if [ "$EXIT" -gt "0" ]; then
  >&2 echo "Exiting with error code $EXIT";
else
  echo "Exiting with error code $EXIT";
fi

exit "$EXIT";