* bug#18209: Add ability to truncate long grep matches
@ 2014-08-06 11:52 Reuben Thomas
2014-08-06 17:44 ` Stefan Monnier
0 siblings, 1 reply; 6+ messages in thread
From: Reuben Thomas @ 2014-08-06 11:52 UTC (permalink / raw)
To: 18209
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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!
(I just managed to work around one source, minified Javascript mixed in
with non-minified files, by omitting *.min.js in the list of files grep
should ignore, but this is not always easy either: sometimes one might only
have the minified form to hand, and might want to grep it e.g. while
debugging.)
--
http://rrt.sc3d.org
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^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#18209: Add ability to truncate long grep matches
2014-08-06 11:52 bug#18209: Add ability to truncate long grep matches Reuben Thomas
@ 2014-08-06 17:44 ` Stefan Monnier
2014-08-06 17:47 ` Reuben Thomas
0 siblings, 1 reply; 6+ messages in thread
From: Stefan Monnier @ 2014-08-06 17:44 UTC (permalink / raw)
To: Reuben Thomas; +Cc: 18209
>>>>> "Reuben" == Reuben Thomas <rrt@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)
-- Stefan
^ permalink raw reply [flat|nested] 6+ messages in thread* bug#18209: Add ability to truncate long grep matches
2014-08-06 17:44 ` Stefan Monnier
@ 2014-08-06 17:47 ` Reuben Thomas
2020-08-12 18:39 ` Stefan Kangas
0 siblings, 1 reply; 6+ messages in thread
From: Reuben Thomas @ 2014-08-06 17:47 UTC (permalink / raw)
To: Stefan Monnier; +Cc: 18209
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On 6 August 2014 18:44, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> >>>>> "Reuben" == Reuben Thomas <rrt@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.
--
http://rrt.sc3d.org
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^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#18209: Add ability to truncate long grep matches
2014-08-06 17:47 ` Reuben Thomas
@ 2020-08-12 18:39 ` Stefan Kangas
2020-08-12 18:43 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
0 siblings, 1 reply; 6+ messages in thread
From: Stefan Kangas @ 2020-08-12 18:39 UTC (permalink / raw)
To: Reuben Thomas; +Cc: Stefan Monnier, 18209
Reuben Thomas <rrt@sc3d.org> writes:
> On 6 August 2014 18:44, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>
> >>>>> "Reuben" == Reuben Thomas <rrt@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
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#18209: Add ability to truncate long grep matches
2020-08-12 18:39 ` Stefan Kangas
@ 2020-08-12 18:43 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-08-12 18:50 ` Stefan Kangas
0 siblings, 1 reply; 6+ messages in thread
From: Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2020-08-12 18:43 UTC (permalink / raw)
To: Stefan Kangas; +Cc: Stefan Monnier, 18209
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That worked, thanks!
--
https://rrt.sc3d.org
On Wed, 12 Aug 2020, 19:39 Stefan Kangas, <stefan@marxist.se> wrote:
> Reuben Thomas <rrt@sc3d.org> writes:
>
> > On 6 August 2014 18:44, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> >
> > >>>>> "Reuben" == Reuben Thomas <rrt@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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-- links below jump to the message on this page --
2014-08-06 11:52 bug#18209: Add ability to truncate long grep matches Reuben Thomas
2014-08-06 17:44 ` Stefan Monnier
2014-08-06 17:47 ` Reuben Thomas
2020-08-12 18:39 ` Stefan Kangas
2020-08-12 18:43 ` Reuben Thomas via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-08-12 18:50 ` Stefan Kangas
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