[ESS] R in Cygwin Emacs

[Richard M. Heiberger]

Seb,

file ess/lisp/ess-compat.el
checks for w32-short-file-name on Xemacs and sets it if it is missing to either
'win32-short-file-name or 'mswindows-short-file-name
The message you quote is given when none of those names exist.

If you can find the correct builtin function in cygwin emacs we can
add that, too.
Since 8.3 names are part of MS DOS, you might even be able to write it
based on the
DOS command   dir /x

MSDOS is available with ESS even if you have set csh as your shell for M-x shell

M-x load-library
msdos
M-x msdos

Rich

On Wed, Sep 3, 2014 at 11:20 AM, Sebastien Vauban
<sva-news at mygooglest.com> wrote:
> "Richard M. Heiberger" wrote:
>> On Wed, Sep 3, 2014 at 5:16 AM, Sebastien Vauban wrote:
>>> I try to use Cygwin Emacs, and have problems launching R inside it.
>>>
>>> All the Google searches suggest to add:
>>>
>>> --8<---------------cut here---------------start------------->8---
>>>     (setq ess-program-files "c:/PROGRA~2")
>>>     (setq ess-program-files-64 "c:/PROGRA~1")
>>> --8<---------------cut here---------------end--------------->8---
>>>
>>> That's what I did, as you can see in the beginning of
>>> http://screencast.com/t/8k7NfKYHFb; though, I still get the warnings,
>>> and R is not launched.
>>>
>>> Any experience on this?
>>
>> Your screencast came up empty.
>
> It's working for me (tested once again). Weird!?
>
>> I have been using R inside Gnu emacs for about 20 years.  I also run
>> cygwin shell inside Gnu emacs.
>> I have never tried cygwin emacs.
>
> I don't have problems in "NT" Emacs (the Windows binaries), only with
> Cygwin Emacs -- which is the target I'm supposed to follow.
>
>> In Gnu emacs both of the emacs variables you mention are already set
>> in ess-custom.el.  You don't have to do anything.
>
> If I don't set them in the above way, when running `M-x R', I'm blocked
> with the message:
>
> --8<---------------cut here---------------start------------->8---
> Warning (emacs): None of 'w32-short-file-name, 'win32-short-file-name,
> or 'mswindows-short-file-name are defined!
> You will have to manually set   ess-program-files (in ess-custom.el) to
> the correct "8.3"-style directory name.
> --8<---------------cut here---------------end--------------->8---
>
> Best regards,
>   Seb
>
> --
> Sebastien Vauban