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From: jan <janmar@iprimus.com.au>
Cc: help-gnu-emacs@gnu.org
Subject: Re: detect if line has only white space?
Date: 11 Nov 2003 13:38:52 -0800	[thread overview]
Message-ID: <ud6byfuvn.fsf@iprimus.com.au> (raw)
In-Reply-To: <gyllqoyva7.fsf@enquist.math.leidenuniv.nl>

Miguel Frasson <frasson@enquist.math.leidenuniv.nl> writes:

> I would like to have a elisp function that detects if the current
> line contains only white space. Some idea?

Probably not the best way to do it, but this is from my utils file

(defun line-empty-p ()
  "Returns non-nil if current line is empty."
  (save-excursion
    (end-of-line)
    (let ((eol (point)))
      (beginning-of-line)
      (not (re-search-forward "[^ \t]" eol t)))))

-- 
jan

      parent reply	other threads:[~2003-11-11 21:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-10 17:42 detect if line has only white space? Miguel Frasson
2003-11-10 17:47 ` Phillip Lord
2003-11-10 17:51 ` marc0
2003-11-10 18:39   ` Gian Uberto Lauri
2003-11-13 13:47   ` LEE Sau Dan
2003-11-10 18:40 ` Johan Bockgård
2003-11-11 12:13 ` François Fleuret
2003-11-11 21:38 ` jan [this message]

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