Le mercredi 18 octobre 2017 10:58:28 UTC+2, Jeroen Demeyer a écrit :
>
> On 2017-10-18 03:08, William Stein wrote: 
> >   (a) using a broken version of the Python/R/Sage stack that exposes 
> > them to installing malware 
>
> Is that really the case? I think pip is actually fail-safe in the sense 
> that it simply refuses to download if OpenSSL is not supported. So there 
> is no exposure to malware here. 
>
> Does anybody know how this works for R? 
>

1) There are *currently* http-accessible R repositories. The question is 
"for how long whal these repositories be mantained and curated ?". 

2) The same is true of Bioconductor, R-forge and Omegahat repositories.

3) I have no extensive knowledge of the 11626 (as of today) available R 
packages in the CRAN repository aind its mirrors. However, I would be 
deeply surprised if none of them offered or neeeded access to https-only 
resources, such as distributed databases.

4) There are also a $#i+load of non-CRAN repositories offering 
not-yet-published packages. Similarly, a number of published works (papers, 
books, etc...) offer access to non-CRAN repositories of data and 
complementary analyses. There is no guarantee that these resources are 
http-accessible.

To be unable to *programatically* access these resources from R is 
(another) pain in the @$$.

--
Emmanuel Charpentier

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