From: dgiglio@iol.it (daniele.g)
To: help-gnu-emacs@gnu.org
Subject: Re: enviromental variables into dot.emacs
Date: Mon, 15 Aug 2011 10:47:28 +0200 [thread overview]
Message-ID: <871uwnqcwv.fsf@father.nostromo.wy> (raw)
In-Reply-To: 87k4afvitv.fsf@googlemail.com
Michael Markert <markert.michael@googlemail.com> writes:
> On 14 Aug 2011, daniele g. wrote:
>
>> There was a misunderstanding. I don't want to set an enviromental
>> variable, I want to _read_ it. For example, I want set up my email
>> address for Gnus from $USER and $HOSTNAME values. I know I can use
>> getenv to read them, but I don't know how to use them in my dot-emacs.
>>
>> My aim is to unify my conf files making them picking as many values as
>> possible from the same place.
>
> Do you think of this?
Oh yesss!
> #+Begin_src emacs-lisp
> (cond
> ((and (string= (getenv "USER") "johndoe")
> (string= (getenv "HOSTNAME") "bar"))
> (setq user-mail-address "johndow@bar.com")
> (require 'john))
> ((and (string= (getenv "USER") "janedoe")
> (string= (getenv "HOSTNAME") "bar"))
> (setq user-mail-address "johndow@bar.com")
> (require 'jane))
> (t
> (setq user-mail-address (concat (getenv "USER") "@" (getenv "HOSTNAME")))))
> #+end_src emacs-lisp
>
> But note that $HOSTNAME is often not set. You can use `system-name'
> here.
Indeed, the hostname can be recall using the program hostname. This is
the further step, using shell commands within the file. :-)
--
- Grazie al cielo, ha lavoro. Chi?
- L'astronomo!!
next prev parent reply other threads:[~2011-08-15 8:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-14 15:50 enviromental variables into dot.emacs daniele.g
2011-08-14 16:07 ` Tassilo Horn
2011-08-14 20:12 ` daniele.g
2011-08-14 20:28 ` Michael Markert
2011-08-15 8:47 ` daniele.g [this message]
2011-08-14 21:46 ` Jay Belanger
2011-08-14 23:35 ` daniele.g
2011-08-15 0:01 ` Jay Belanger
2011-08-14 16:07 ` Michael Markert
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