From: Patrick Mahan <plmahan@gmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Specifying a file in auto-mode-alist
Date: Fri, 23 Apr 2021 15:14:50 -0700 [thread overview]
Message-ID: <CAFDHx1Ju1Rgkj+h9_-mKNnejcOx3Y0h=N2f+_v2i0VGz5_Y8fQ@mail.gmail.com> (raw)
In-Reply-To: <jwvh7jw4r5w.fsf-monnier+emacs@gnu.org>
On Fri, Apr 23, 2021 at 2:52 PM Stefan Monnier <monnier@iro.umontreal.ca>
wrote:
> >> (add-to-list 'auto-mode-alist (quote("build*\\.log'" .
> compilation-mode)))
> > ____________________________________________________^
>
> Here you needed to replace ' with \\'
>
> >> When I edit a file say 'build.log' it does not enable compilation mode.
> >>
> >> I tried -
> >>
> >> (add-to-list 'auto-mode-alist (quote("build*\\'" . compilation-mode)))
> > ________________________________________________^
> >
>
> And here you just forgot the \\.log
>
> > Why the ' ?
> >
> > Try this regexp: "^[Bb]uild.*\\.log$"
>
> No, he was on the right path.
>
> The correct regexp construct to match the end of a string is \' (which
> inside a string ends up looking like \\' since the backslash needs to be
> escaped), whereas the $ you're recommending matches both the end of
> a string and an end of *line*, so it can mis-match with a file named
> "build.log\nhello.svg".
>
>
Yes! Success! Thanks Stefan! Changing it to escape the ' makes it work
now.
Patrick
next prev parent reply other threads:[~2021-04-23 22:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 20:25 Specifying a file in auto-mode-alist Patrick Mahan
2021-04-23 20:42 ` Óscar Fuentes
2021-04-23 21:42 ` Stefan Monnier
2021-04-23 22:14 ` Patrick Mahan [this message]
2021-04-23 22:09 ` Patrick Mahan
2021-04-23 22:23 ` Stefan Monnier
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