GNU bug report logs - #22300
25.1.50; Dired -- renaming folders/files to CamelCase/UPPERCASE/lowercase.

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From: Keith David Bershatsky <esq <at> lawlist.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 22300 <at> debbugs.gnu.org, John Wiegley <jwiegley <at> gmail.com>, Drew Adams <drew.adams <at> oracle.com>
Subject: bug#22300: 25.1.50; Dired -- renaming folders/files to CamelCase/UPPERCASE/lowercase.
Date: Tue, 05 Jan 2016 09:27:03 -0800

Actually, I'm not sure why the `elisp` makes the target "/Users/HOME/Desktop/foo/FOO", instead of just "/Users/HOME/Desktop/foo".

When I evaluate

  (funcall (lambda (from) (expand-file-name (file-name-nondirectory from) "/Users/HOME/Desktop/foo" )) "/Users/HOME/Desktop/FOO")

I get the former incorrect value -- i.e., "/Users/HOME/Desktop/foo/FOO", instead of just "/Users/HOME/Desktop/foo".

And that becomes the initial value of "to" when used by `dired-create-files` -- (setq to (funcall name-constructor from))

Keith

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At Tue, 05 Jan 2016 18:46:00 +0200,
Eli Zaretskii wrote:
> 
> 
> Why do you think the result of that is wrong?  I think it's exactly as
> expected, because this:
> 
>   (expand-file-name "SOMETHING" "/Users/HOME/Desktop/foo")
> 
> should produce "/Users/HOME/Desktop/foo/SOMETHING" for _any_ value of
> SOMETHING, even if SOMETHING is exactly "foo", in the same letter-case
> as the last component of "/Users/HOME/Desktop/foo".  That's what
> expand-file-name does -- it produces a file name in the directory that
> is its 2nd argument.

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