Darn, there was a sadistic part of me that was wishing this might do something really bizarre, but yeah, I'm glad it didn't work. It certaintly does make you ask what that operator really is, though... I figure if you can't surmise an operator's purpose in a few words you have a rather confusing operator.

% = modulus

> is less than, except when both sides are an IO::All, undefined if IO:All on one side, but IO:All must be a file, or possibly a socket, but never a directory, but sometimes a port, and ... err...