2017-11-12 9:56 GMT+01:00 Angelo Graziosi <angelo.g0@libero.it>:

> Fabrice Popineau wrote:
> >
> > Hmm ... besides copying the whole Emacs directory on an usb stick, what
> else do I
> > need to do in order to use emacs from this  stick on another computer ?
>
> ..an app to be really portable cannot write the host machine, so .emacs.d
> should go on the device where the portable app is installed.


And the more Windows compliant the app will be, the less portable it will
become.


> Obviously it cannot write the registry, what PortableApps do...
>

When does Emacs write the registry ?


>
> maybe starting Emacs with this bat is sufficient:
>
> cat E:/Emacs_portable/bin/runemacs_portable.bat
> set HOME=%~dp0..\HOME
> "%~dp0runemacs.exe" %*
>
> Setting HOME is all that is needed.
I even change PATH and all my environment from init.el.

Fabrice