From: Bernardo <bernardo.bacic@pobox.com>
To: help-gnu-emacs@gnu.org
Subject: Re: emacs-home variable for Windows
Date: Thu, 15 Oct 2009 20:49:57 +1100 [thread overview]
Message-ID: <4AD6F045.8050709@pobox.com> (raw)
In-Reply-To: <48393af3-3a36-4a5a-83ad-1ee69edb1803@z24g2000yqb.googlegroups.com>
zugzwang said the following on 10/15/09 12:15:
> On Oct 14, 4:49 pm, "B. T. Raven" <ni...@nihilo.net> wrote:
>> Lennart Borgman wrote:
>>> On Wed, Oct 14, 2009 at 6:50 AM, B. T. Raven <ni...@nihilo.net> wrote:
>>>> Lennart Borgman wrote:
>>>>> On Wed, Oct 14, 2009 at 2:00 AM, ken <geb...@mousecar.com> wrote:
>>>>>> I carry a USB stick to the job. It's got emacs installed on it and
>>>>>> there's a link on my desktop that I click (after inserting the stick)
>>>>>> and emacs fires up. It's nice. I use it every day. With the paucity
>>>>>> of decent editors from Windows, I *need* it.
>>>>>> There's a couple minor hassles though that I'd like to dispense with.
>>>>>> One is that I don't know a way to tell emacs what the HOME directory is.
>>>>>> In the past I've just gone into the registry and change some variable
>>>>>> there. I don't remember where that is or how to do it though. Besides,
>>>>>> I prefer to have the variable defined in my .emacs (which is at the
>>>>>> top-level directory on the USB stick). (After emacs loads, I do "M-x
>>>>>> loadfile RETURN e:/.emacs" and that little task loads up the rest of the
>>>>>> stuff emacs needs to know. But I don't know how tell emacs to make e:/
>>>>>> the home directory.
>>>>> There is a library usb-setup.el in Emacs+EmacsW32 for this.
>>>> Can this .el file be downloaded separately from EmacsW32 to use with the
>>>> standard Emacs w32 build? Is it somewhere in nXhtml 1.97 or has it been
>>>> removed?
>>> No, at the moment it is only in Emacs+EmacsW32 and I have not had time
>>> to setup a repository for that.
>>> However all that file does is to use the ideas from
>>> http://at-aka.blogspot.com/2006/06/portable-emacs-22050-on-usb.html
>>> and reorganises them a bit. So just look there instead.
>> Thanks, Lennart. I almost understand the stuff at that link but I can't
>> see how the variable 'data-directory refers to the right drive letter
>> until after Emacs is launched from the flash drive. The drive letter
>> could be G:\ when plugged in today and H:\ tomorrow.
>>
>> With GnuW32 utils I got as far as producing:
>>
>> df -a | tail -1 > usbemacs.bat
>>
>> with the result:
>>
>> STORE N GO 4021232 1850100 2171132 47% G:\
>>
>> I am at a loss as to where I should go from here.
>>
>> Thanks again,
>>
>> Ed
>
> I've never used emacs, and my Dos batch-writing skills are rusty, so
> all I can offer is a conceptual solution. Presumably, your emacs
> distribution contains a directory not found on any other drive (e.g.
> <drive_letter>:\MyEmacsDir\). Any unique path will do. Simply have
> the desk icon start a batch file that begins as follows:
>
> dir C:\MyEmacsDir\
> If error: directory not exist, continue : else set variable_1 to 'C'
> and then goto Label_1:
>
> dir D:\MyEmacsDir\
> If error: directory not exist, continue : else set variable_1 to 'D'
> and then goto Label_1:
>
> dir E:\MyEmacsDir\
> If error: directory not exist, continue : else set variable_1 to 'E'
> and then goto Label_1:
>
> ...
>
> Label_1:
> set <Emacs_Home> to %variable_1%<desired_path>
> execute %variable_1%:\<desired path_name + executable file_name>
>
>
it is simpler if you start with Andreas' batch file, copy it to the USB
drive and modify the first line from:
set HOME=e:
to
set HOME=%CD%
double clicking on this batch file should work regardless of the drive
name letter
next prev parent reply other threads:[~2009-10-15 9:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-14 0:00 emacs-home variable for Windows ken
2009-10-14 0:04 ` Lennart Borgman
2009-10-14 0:05 ` Andreas Politz
2009-10-14 7:45 ` ken
[not found] ` <mailman.8717.1255478707.2239.help-gnu-emacs@gnu.org>
2009-10-14 4:50 ` B. T. Raven
2009-10-14 16:31 ` Lennart Borgman
[not found] ` <mailman.8799.1255537948.2239.help-gnu-emacs@gnu.org>
2009-10-14 23:49 ` B. T. Raven
2009-10-15 1:15 ` zugzwang
2009-10-15 9:49 ` Bernardo [this message]
2009-10-15 10:03 ` B. T. Raven
2009-10-19 11:58 ` Henri Fischer
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