shithub: kwa

ref: 6d0ade9e0f10517872304e94c2c5d0e3a14c426d
dir: /test/t.fun5/

function f(a) {
	return split($0, a)
}
{
	print
	n = f(x)
	for (i = 1; i <= n; i++)
		print "	" x[i]
}