On Thu, Sep 13, 2012 at 7:13 PM, Z C <zcnnbb@gmail.com> wrote:

> I just want emacs to load another file as the configuration file, and
> ignore the default file ("~/.emacs").
>
> Note that I don't want to change the original "~/.emacs" file.
>
> I've tried to change "$HOME" env variable, but it doesn't work.
>

If you mean you want to have emacs save the customization settings into
some other file, then
you need to add this code to ~/.emacs

(setq custom-file "~/.emacs-custom.el")
(load custom-file)

More info here:
http://www.gnu.org/software/emacs/manual/html_node/emacs/Saving-Customizations.html

HTH.

Regards,
Vineet