[R] R scripts attached to e-mails - correct MIME type ?!

[Duncan Murdoch]

On 23/02/2017 4:47 PM, Stephen Berman wrote:
> On Mon, 20 Feb 2017 15:15:27 +0100 Martin Maechler <maechler at stat.math.ethz.ch> wrote:
>
>>>>>>> Rui Barradas <ruipbarradas at sapo.pt>
>>>>>>>     on Sat, 18 Feb 2017 13:47:02 +0000 writes:
>>
>>     > Helo, No attachment came through. Change the file
>>     > extension from .R to .txt and resend, there aren't many
>>     > types of files r-help accepts.
>>
>>     > Rui Barradas
>>
>>
>> As a matter of fact, one would have to blame the e-mail program
>> you use.  The file extension is *not* equivalent to the file
>> type, and the mailing list software accepts the (MIME) type  text/plain
>> and a couple of others.
>>
>> The problem with most modern e-mail clients/programs/apps/... is that
>> they use something you could translate as  "unknown binary format"
>> as type for their attachments if they can't guess the correct
>> file type from the file extension.
>> It would be interesting to know (for me) if there are modern
>> e-mail programs / web apps which you could *teach* about the
>> mime type, e.g., for all files ending with extension '.R'...
>
> Well, there's Gnus in Emacs:
>
> (add-to-list 'mailcap-mime-extensions '(".R" . "text/x-rsrc"))
>
> But I guess you know that ;-)
>

He said "modern".  ;-)

Duncan Murdoch