Re^2: The strangest use of unlink I know of

[Anonymous Monk]

Look more carefully. %foo is not empty. It was initialized with curly brackets -- almost ALWAYS a sign that the author made a mistake. Not a very humorous answer, but Wayne Jarvis is not paid to be funny.

:|

Still however -- the code indeed is a no op in terms of "useful" work. One needs to explicitly require %foo as a scalar:

unlink scalar %foo;