LanX:

No, I didn't notice the error. And I've never used goatse, turtle or kite. Perhaps if I had, I'd see the need for it.

As far as the practicality of what length $str is supposed to return, I didn't give it much thought. I was just expressing my color preference for new new shed out back. ;^)

...roboticus

When your only tool is a hammer, all problems look like your thumb.