shithub: kwa

ref: 8e3c92b4eae6ff958d8af946caf6fb7d7f3bfbf7
dir: /test/t.6/

/a|b|c/	{
	i = $1
	print
	while (i >= 1) {
		print "	", i
		i = i / 10
	}
}