unofficial mirror of help-gnu-emacs@gnu.org
 help / color / mirror / Atom feed
From: Yuri Khan <yuri.v.khan@gmail.com>
To: Skip Montanaro <skip.montanaro@gmail.com>
Cc: Help GNU Emacs <help-gnu-emacs@gnu.org>
Subject: Re: Temporarily disable a write hook?
Date: Fri, 14 Jul 2017 22:11:00 +0700	[thread overview]
Message-ID: <CAP_d_8XvPBA7QLOB_yoDAny+=-4XZt3U6f2MTABpv1d+vNQPzQ@mail.gmail.com> (raw)
In-Reply-To: <CANc-5UzAS=+XXQ5CeUT6OnqspsGHvpiODN935xPK3xydTF27bQ@mail.gmail.com>

On Fri, Jul 14, 2017 at 10:03 PM, Skip Montanaro
<skip.montanaro@gmail.com> wrote:

> (add-hook 'before-save-hook 'delete-trailing-whitespace)
>
> Well, I got burned by this. I was editing a CSV file in which one cell
> in the last column of a row ended with a space. It was, unfortunately,
> a regular expression, so the space was significant.

Are you in full control of how this CSV file is edited?

If you are, you could double-quote the cell that has the significant
trailing space. (Of course this assumes a specification-compliant
parser.)

On the other hand, if that CSV file is intermediate data subject to
import/export, that won’t help.



  reply	other threads:[~2017-07-14 15:11 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-14 15:03 Temporarily disable a write hook? Skip Montanaro
2017-07-14 15:11 ` Yuri Khan [this message]
2017-07-14 15:43   ` Skip Montanaro
2017-07-14 16:13     ` Lele Gaifax
2017-07-14 17:29       ` Skip Montanaro

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAP_d_8XvPBA7QLOB_yoDAny+=-4XZt3U6f2MTABpv1d+vNQPzQ@mail.gmail.com' \
    --to=yuri.v.khan@gmail.com \
    --cc=help-gnu-emacs@gnu.org \
    --cc=skip.montanaro@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).