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From: Oleksandr Gavenko <gavenkoa@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: System operating detection
Date: Tue, 17 Aug 2010 00:53:38 +0300	[thread overview]
Message-ID: <i4cc15$rj8$1@dough.gmane.org> (raw)
In-Reply-To: <m139ulbjsx.fsf@80-163.eduroam.rwth-aachen.de>

On 2010-08-11 12:06, Andrea Crotti wrote:
> Is there a way to make this ugly thing:
>
> --8<---------------cut here---------------start------------->8---
>    (defconst sysop
>      (cond
>       ((string-match "linux" system-configuration) "linux")
>       ((string-match "apple" system-configuration) "mac")
>       ((string-match "win" system-configuration) "win")
>       (t "other")))
>
>    (defconst linux (string= "linux" sysop))
>    (defconst mac (string= "mac" sysop))
>    (defconst win (string= "win" sysop))
>    (defconst other (string= "other" sysop))
> --8<---------------cut here---------------end--------------->8---
>
> looking better?
> I would like to have all the constants defined (to nil or t) but
> avoiding this ugly repetition.
> One (small) problem is that without the "cond" also "darwin" matches
> "win", so I get a wrong constant...
>
I wrote blog article about useful checks in .emacs:

http://brain-break.blogspot.com/2010/08/determining-running-environment-and.html

---
Best regards!




  parent reply	other threads:[~2010-08-16 21:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-11  9:06 System operating detection Andrea Crotti
2010-08-11  9:22 ` Richard Riley
2010-08-11 10:19   ` Andrea Crotti
2010-08-11 11:58 ` Thierry Volpiatto
2010-08-11 12:58   ` Andrea Crotti
     [not found]   ` <mailman.1.1281531533.2853.help-gnu-emacs@gnu.org>
2010-08-11 14:27     ` Pascal J. Bourguignon
2010-08-16 21:53 ` Oleksandr Gavenko [this message]
     [not found] <mailman.3.1281517588.2982.help-gnu-emacs@gnu.org>
2010-08-11 11:13 ` TheFlyingDutchman

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