From: chickenphat <chickenphat@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Advice on writing predicates
Date: Mon, 29 Jun 2009 12:18:00 -0700 (PDT) [thread overview]
Message-ID: <0769d45b-8ac0-4d53-a3eb-6eeb5e0475e7@h18g2000yqj.googlegroups.com> (raw)
In-Reply-To: 87bpobgann.wl%anselm.helbig+news2009@googlemail.com
On Jun 25, 4:23 pm, Anselm Helbig <anselm.helbig
+news2...@googlemail.com> wrote:
> At Thu, 25 Jun 2009 15:27:19 -0700,
>
> I hope you're not too disappointed, but there's a constant named
> emacs-major-version:
>
> (> emacs-major-version 22)
>
> This is also extracted from the string in emacs-version, this is how
> the emacs devs did it:
>
> (defconst emacs-major-version
> (progn (string-match "^[0-9]+" emacs-version)
> (string-to-number (match-string 0 emacs-version)))
> "Major version number of this version of Emacs.
> This variable first existed in version 19.23.")
>
> If you want to parse the version number yourself, this is how I would
> do it:
>
> (mapcar 'string-to-number (split-string emacs-version "\\."))
>
> Note that the emacs-version variable just holds the number. This makes
> things a lot easier.
This is exactly what I was looking for...and I'm very happy. Thanks.
Sarir
next prev parent reply other threads:[~2009-06-29 19:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-25 22:27 Advice on writing predicates Sarir Khamsi
2009-06-25 23:23 ` Anselm Helbig
2009-06-29 19:18 ` chickenphat [this message]
2009-06-26 6:40 ` Daniel Pittman
2009-06-26 7:37 ` Andreas Röhler
2009-06-26 9:13 ` Pascal J. Bourguignon
2009-06-26 11:02 ` Thien-Thi Nguyen
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