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Re: file-exists-p on empty string
From: |
Michael Albinus |
Subject: |
Re: file-exists-p on empty string |
Date: |
Wed, 06 Mar 2019 10:51:02 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Stefan Monnier <address@hidden> writes:
>>> So the (not (string-empty-p fn)) test just reflects the tool's semantics
>>> and is not an artifact of some suboptimal behavior of file-exists-p.
>> I gree, but there is not a line about empty strings in doc-string.
>> It is great that this is mentioned in documentation, but anyway
>> behaviour was quite unexpected
>
> The problem is that docstrings describe the behavior of a specific
> function, so they usually don't mention the more general aspects that
> affect all functions of a given subsystem, such as here the general
> treatment of the empty string when used as a file name.
>
> Otherwise, every file-name-manipulating function would have to repeat
> this information in its docstring.
What about the appended patch? It does not touch the docstrings, but it
explains the situation more verbose in the Lisp manual.
> Stefan
Best regards, Michael.
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- Re: file-exists-p on empty string,
Michael Albinus <=