GNU bug report logs - #18209
Add ability to truncate long grep matches

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Message #17 received at 18209 <at> debbugs.gnu.org (full text, mbox):

From: Reuben Thomas <rrt <at> sc3d.org>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: Stefan Monnier <monnier <at> iro.umontreal.ca>, 18209 <at> debbugs.gnu.org
Subject: Re: bug#18209: Add ability to truncate long grep matches
Date: Wed, 12 Aug 2020 19:43:29 +0100

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That worked, thanks!

-- 
https://rrt.sc3d.org

On Wed, 12 Aug 2020, 19:39 Stefan Kangas, <stefan <at> marxist.se> wrote:

> Reuben Thomas <rrt <at> sc3d.org> writes:
>
> > On 6 August 2014 18:44, Stefan Monnier <monnier <at> iro.umontreal.ca> wrote:
> >
> >  >>>>> "Reuben" == Reuben Thomas <rrt <at> sc3d.org> writes:
> >
> >  > In some files (e.g. in text files using newline as a paragraph
> delimiter)
> >  > one can get matches in very long lines that can occupy several
> screenfuls.
> >  > These are not always straightforward to avoid. There's no way to tell
> (GNU)
> >  > grep to truncate its output; perhaps Emacs could help here, by being
> able
> >  > to specify a maximum length of match to show? For bonus points, show
> part
> >  > of the line that matches, with ellipses, rather than just truncating
> the
> >  > line; but even without that it would be useful, provided that the
> >  > truncation is clearly marked: the annoyance and slowness of navigating
> >  > *grep* buffers full of enormous matches which are almost always not
> what
> >  > one is looking for would be great!
> >
> >  FWIW, I have the following in my ~/.emacs:
> >
> >     (defun sm-compilation-mode-hook ()
> >       (setq truncate-lines t))
> >     (add-hook 'compilation-mode-hook #'sm-compilation-mode-hook)
> >
> > That's ingenious, obvious, and thanks very muchious.
>
> Did that resolve the problem, or is there anything more to do here?
>
> Best regards,
> Stefan Kangas
>

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