BEGIN {

	cmd = "echo hello; sleep 1; echo goodbye"

	print "With timeouts"

	PROCINFO[cmd, "READ_TIMEOUT"] = 300

	while ((rc = (cmd | getline x)) > 0)

		print x

	if (rc < 0)

		print rc, (PROCINFO["errno"] != 0), (ERRNO != "")

	print (close(cmd) != 0)

	PROCINFO[cmd, "RETRY"]

	print ""

	print "With timeouts and retries"

	while (((rc = (cmd | getline x)) > 0) || (rc == -2)) {

		if (rc > 0) {

			print x

			n = 0

		}

		else

			print ++n, "timed out; trying again"

	}

	if (rc < 0)

		print rc, (PROCINFO["errno"] != 0), (ERRNO != "")

	print (close(cmd) != 0)

}