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RE: [External] : Re: operations on path lists

From: Drew Adams
Subject: RE: [External] : Re: operations on path lists
Date: Sat, 4 Feb 2023 17:21:45 +0000 
> > (cond ((file-directory-p file) (expand-file-name file))
> >       (t nil))
> 
> (when (file-directory-p file) (expand-file-name file) )

(and (file-directory-p file)  (expand-file-name file))

Use `when' when the return value isn't important.
Helps human readers.
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