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Re: elisp: isn't default-directory always the dir of current file??


From: Xah Lee
Subject: Re: elisp: isn't default-directory always the dir of current file??
Date: Sun, 1 Mar 2009 23:46:34 -0800 (PST)
User-agent: G2/1.0

On Mar 1, 11:27 pm, Xah Lee <address@hidden> wrote:
> On Mar 1, 10:54 pm, Xah Lee <address@hidden> wrote:
>
>
>
> > elisp question.
>
> > it seems to me, that the var default-directory is not updated when
> > using load-file.
>
> > For example, i have in my .emacs this line and nothing else:
>
> > (load-file "web/emacs/xah_emacs_init.el")
>
> > Then, in the file xah_emacs_init.el
> > has this line
>
> > (load-file "emacs2/init.el")
>
> > and nothing else.
>
> > However, it is a error because it cannot find init.el.
>
> > When adding (message default-directory) to the xah_emacs_init.el, it
> > still thinks that the dir is "~/".
>
> > The elisp doc on default-directory and load-file indicates that this
> > should work.
>
> >  Xah
>
> What i wanted to do was that when a file is loaded, put that file's
> dir to the load-path.
>
> I expected this to work:
> (add-to-list 'load-path default-directory )
>
> but that didn't. The following works though:
> (add-to-list 'load-path (file-name-directory load-file-name))

Ugh, this is quite painful. Spend 2+ hours on this.

If i use this:
(add-to-list 'load-path (file-name-directory load-file-name))

it works if the file is loaded by elisp. But doesn't work if the file
is run with eval-buffer.

The following works with eval-buffer but not when the file is loaded.
(add-to-list 'load-path default-directory )

What can one do?

I want a method to add the current file's dir to load-path, and it
should work either the file is loaded by elisp or run by hand with
eval-buffer.

Thanks.

  Xah
∑ http://xahlee.org/

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