one-true-awk/testdir/p.44

*9a7741deSElliott Hughesfunction fact(n) {
*9a7741deSElliott Hughes	if (n <= 1)
*9a7741deSElliott Hughes		return 1
*9a7741deSElliott Hughes	else
*9a7741deSElliott Hughes		return n * fact(n-1)
*9a7741deSElliott Hughes}
*9a7741deSElliott Hughes{ print $1 "! is " fact($1) }