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From: Ruijie Yu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Ihor Radchenko <yantar92@posteo.net>
Cc: 60929@debbugs.gnu.org
Subject: bug#60929: 30.0.50; [FR] `file-name-extension' and backup suffixes
Date: Wed, 18 Jan 2023 19:08:36 +0800	[thread overview]
Message-ID: <sdvilh4ccwy.fsf@fw.net.yu> (raw)
In-Reply-To: <87o7qw6rrz.fsf@localhost>


Ihor Radchenko <yantar92@posteo.net> writes:

> Hi,
>
> Would it be possible to make `file-name-sans-extension' strip extension
> upon removing backup suffixes (optionally)?
>
> Currently, Emacs' handling of backup extensions is a bit inconsistent:
>
> auto-mode-alist recognizes
>
>  ("\\.~?[0-9]+\\.[0-9][-.0-9]*~?\\'" nil t)
>  ("\\.\\(?:orig\\|in\\|[bB][aA][kK]\\)\\'" nil t)
>
> as backup extension and thus opens files like foo.org.bak with Org mode.
>
> [...]
>
> It would be useful if functions like `file-name-extension',
> `file-name-sans-extension', and similar could optionally strip backup
> suffixes that contain ".".
> [...]

Note that since the backup extensions can be stripped recursively in
`auto-mode-alist' (that is, "test.c.bak.Bak.BAK.baK" is opened in c-mode
because of the recursive extension stripping), if this FR is to be
accepted, we would need to ensure that the above scenario is covered.

Best,


RY





  reply	other threads:[~2023-01-18 11:08 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-18 10:50 bug#60929: 30.0.50; [FR] `file-name-extension' and backup suffixes Ihor Radchenko
2023-01-18 11:08 ` Ruijie Yu via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2023-01-18 12:47 ` Eli Zaretskii
2023-01-18 13:01   ` Ihor Radchenko
2023-01-18 14:47     ` Eli Zaretskii
2023-01-23 10:05       ` Ihor Radchenko
2023-01-23 13:34         ` Eli Zaretskii
2023-01-24 11:12           ` Ihor Radchenko
2023-01-24 12:37             ` Eli Zaretskii
2023-01-25 13:18               ` Ihor Radchenko
2023-01-25 13:26                 ` Eli Zaretskii
2023-01-25 13:33                   ` Ruijie Yu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-01-25 13:43                     ` Ihor Radchenko
2023-01-25 13:37                   ` Ihor Radchenko
2023-01-18 14:20   ` Eli Zaretskii

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