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.

-- 
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