To check if the subroutine really exists:

if (defined(&Fcntl::LOCK_EX))

To get desired behavior: just call the subroutine once before attempting to redefine it.

-Ton
-----
Be bloody, bold, and resolute; laugh to scorn
The power of man...

In reply to Re: How to instrument a "fake" subroutine? by ton
in thread How to instrument a "fake" subroutine? by samtregar

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