From: Teemu Likonen <tlikonen@iki.fi>
To: help-gnu-emacs@gnu.org
Subject: Re: Absolutely naïve question about line numbering and lisp code
Date: Tue, 03 Mar 2009 16:25:39 GMT [thread overview]
Message-ID: <87skluk1z0.fsf@iki.fi> (raw)
In-Reply-To: YrudnSDyrPB_1DDUnZ2dnUVZ_rjinZ2d@posted.cpinternet
On 2009-03-03 09:16 (-0600), B. T. Raven wrote:
> If you just want to add line numbers permanently you could run this,
> of unknown provenance:
>
> (defun insert-line-numbers ()
> "Insert a line number on all lines of the current buffer."
> (interactive)
> (save-excursion
> (save-restriction
> (widen)
> (let ((fmt (format "%%0%dd "
> (1+ (truncate
> (log (count-lines (point-min) (point-max))
> 10)))))
> (i 0))
> (goto-char (point-min))
> (while (< (point) (point-max))
> (setq i (1+ i))
> (insert (format fmt i))
> (forward-line)))))
> );;insert-line-numbers
That is quite clever. Usually something like this is enough:
M-<
M-x replace-regexp RET ^ RET \,(format "%4s. " (1+ \#)) RET
next prev parent reply other threads:[~2009-03-03 16:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.2269.1236085285.31690.help-gnu-emacs@gnu.org>
2009-03-03 15:16 ` Absolutely naïve question about line numbering and lisp code B. T. Raven
2009-03-03 16:25 ` Teemu Likonen [this message]
2009-03-03 13:01 Armando Martins
2009-03-03 13:08 ` Andy Stewart
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