BEGIN {

	file = "testit.txt"

	for (i = 1; i <= 3; i++)

		print("line", i) > file

	close(file)

	ARGV[1] = file

	ARGC = 2

	for (i = 1; i <= 3; i++)

		getline

	printf "NR should be 3, is %d\n", SYMTAB["NR"]

	# Can't do this here. Windows doesn't let you remove a file that

	# is still open. Moving it to END won't help either, since the file

	# (correctly) remain open until after the END finishes.

	# system("rm testit.txt")

}