From: "Andreas Röhler" <andreas.roehler@easy-emacs.de>
To: Decebal <cldwesterhof@gmail.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: How to
Date: Sat, 10 Oct 2009 22:06:07 +0200 [thread overview]
Message-ID: <4AD0E92F.7070301@easy-emacs.de> (raw)
In-Reply-To: <afa23e97-b571-4fa5-8f53-3c211ed308bb@k19g2000yqc.googlegroups.com>
Decebal wrote:
> In a Bash script I changed:
> local i
> local length=${#1}
>
> for i in $(seq ${1}) ; do
> printf " Regel %${length}d voor de test\n" ${i}
> done >${2}
> to:
> emacs -batch -nw --eval='
> (let (
> (i)
> (nr-of-lines '${1}')
> (nr-of-lines-length)
> (output-file "'"${2}"'"))
> (setq nr-of-lines-length (length (number-to-string nr-of-
> lines)))
> (dotimes (i nr-of-lines t)
> (insert (format (format " Regel %%%dd voor de test\n"
> nr-of-lines-length) (1+ i))))
> (write-file output-file))
> ' 2>/dev/null
>
> The Bash version took 293 seconds and the Emacs Lisp version 59
> seconds. So it is about 5 times as fast.
> The Emacs batch gives output like:
> Saving file /home/cecil/temp/inputEmacs...
it's in files.el, save-buffer, AFAIS
(if (and modp (buffer-file-name))
(message "Saving file %s..." (buffer-file-name)))
commenting out these lines should cancel the message
HTH
Andreas
> Wrote /home/cecil/temp/inputEmacs
> That is why I use the 2>/dev/null.
> Is there a way to circumvent the generation of the above output?
> Because when there is an error it is also thrown away and that is not
> nice.
>
next prev parent reply other threads:[~2009-10-10 20:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-10 18:33 How to Decebal
2009-10-10 20:06 ` Andreas Röhler [this message]
2009-10-10 20:55 ` How to [write sequentially numbered lines] Vassil Nikolov
2009-10-10 21:20 ` Decebal
[not found] ` <mailman.8511.1255205222.2239.help-gnu-emacs@gnu.org>
2009-10-10 20:57 ` How to Decebal
2009-10-11 1:41 ` Decebal
2009-10-11 8:11 ` Andreas Röhler
[not found] ` <mailman.8527.1255248737.2239.help-gnu-emacs@gnu.org>
2009-10-11 16:20 ` Decebal
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