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From: Richard Stallman <rms@gnu.org>
To: Rocky Bernstein <rocky@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: relative load-file
Date: Sat, 14 Nov 2009 06:24:03 -0500	[thread overview]
Message-ID: <E1N9Gjb-00050e-SZ@fencepost.gnu.org> (raw)
In-Reply-To: <6cd6de210911110901v24307163i253e69e89c72c9e@mail.gmail.com> (message from Rocky Bernstein on Wed, 11 Nov 2009 12:01:31 -0500)

The basic idea of `require' is that you specify a feature which gets
found through a search of all libraries.  The idea is that these are
general features which anything might want to use.

You want something different:

    That is, one wants to
    load an Emacs Lisp file relative the file that issues the load which is
    often in the same directory or a nearby directory.

It seems to me that this is useful only for loading other parts of one
single multi-file program.

If you have a program which is in multiple files, you can write a
function similar to `require' which searches for files in any way you
like, and then you can use it.  The function can be in your program;
it does not need to be built-in.  It can load the chosen file using
`load'.

The files should each use `provide' in the usual way, and your
function should use the variable `features' to see if the desired
feature has already been loaded.  The only difference would be in
choosing which file to load.





  parent reply	other threads:[~2009-11-14 11:24 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-11 17:01 relative load-file Rocky Bernstein
2009-11-11 18:35 ` Tassilo Horn
2009-11-11 19:26   ` Rocky Bernstein
2009-11-11 19:54     ` Tassilo Horn
2009-11-11 20:17     ` Stefan Monnier
2009-11-11 21:21       ` Rocky Bernstein
2009-11-11 23:06         ` Stefan Monnier
2009-11-12  1:01           ` Rocky Bernstein
2009-11-12  1:20             ` Stefan Monnier
2009-11-12  2:09               ` Rocky Bernstein
2009-11-12  4:22                 ` Stefan Monnier
2009-11-12 13:01                   ` Rocky Bernstein
2009-11-12 13:52                     ` spedrosa
2009-11-12 14:11                       ` Andreas Schwab
2009-11-12 15:34                     ` Stefan Monnier
2009-11-13  4:34                       ` Rocky Bernstein
2009-11-13 14:22                         ` Stefan Monnier
2009-11-13 15:03                           ` Rocky Bernstein
2009-11-13 16:17                             ` Stefan Monnier
2009-11-13 16:39                               ` Rocky Bernstein
2009-11-14 11:24 ` Richard Stallman [this message]
2009-11-14 15:44   ` Rocky Bernstein
2009-11-15 21:59     ` M Jared Finder
2009-11-18  3:20       ` Stefan Monnier
2009-11-15 22:38     ` Richard Stallman
2009-11-15 23:50       ` Rocky Bernstein
2009-11-18 12:10         ` Richard Stallman
2009-11-18 13:39           ` Rocky Bernstein
2009-11-21 22:52             ` Richard Stallman
2009-11-22  4:45               ` Rocky Bernstein
2009-11-23  2:29                 ` Richard Stallman
2009-11-23 15:04                   ` Rocky Bernstein
2009-11-24 14:11                     ` Richard Stallman
  -- strict thread matches above, loose matches on Subject: below --
2009-11-13  5:24 grischka
2009-11-13  5:59 ` Rocky Bernstein
2009-11-13 14:26   ` Stefan Monnier
2009-11-13 15:06     ` Rocky Bernstein
2009-11-09 14:54 rocky

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