<p><a href="https://github.com/waterkip" class="user-mention">@waterkip</a> You are quite right that <code>/nonexistent</code> is pretty icky. Given that <code>undef</code> is also taken as a valid argument, what about special-casing (and documenting) <code>q{}</code> (empty string) as the API for "do not check the FS at all" ?</p>

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