Re: [Rd] seek() and gzfile() on 32-bit R2.12.0 in linux

From: Prof Brian Ripley <>
Date: Thu, 24 Jun 2010 13:37:09 +0100 (BST)

On Thu, 24 Jun 2010, Martin Maechler wrote:

>>>>>> "BW" == Brandon Whitcher <>
>>>>>> on Wed, 23 Jun 2010 12:14:35 +0100 writes:
> BW> Peter, thanks for your comments. The reason I have taken this issue
> BW> to R-devel is from the advice of Kurt Hornik. An update to my package
> BW> oro.nifti is being refused by CRAN because it fails on the
> BW> _development_ version of R on 32-bit linux. As we have just discussed
> BW> (and thanks to Matt's input), the problem is not with my package but
> BW> with the development version of R. Hence, I wanted to alert to the R
> BW> Core Development Team that the _unstable_ version of R appears to have
> BW> a problem.
> BW> Obviously, I would prefer to have my new version of oro.nifti accepted
> BW> by CRAN... but at the moment I am in between a rock and a hard place.
> BW> I agree that the 2.12.0 release of R is quite far in the future. Is
> BW> there a possibility of relaxing the exclusion criteria
> BW> for CRAN?
> Well, the criteria are very good as a general rule,
> but in the case where a new/changed package reveals a *bug* in
> R-devel (only), the package of course should still be released
> to CRAN.
> So the only remaining problem for you ;-)
> is to convince the CRAN maintainers that indeed this is a bug in
> R-devel, or probably in zlib 1.2.4 (R 2.11.x uses zlib 1.2.3).
> Within R-core, Brian Ripley has been the zlib "principal
> investigator", and I'd wait a bit for his comment on this issue.

I've no time at present, or more precisely what very little time I have has other priorities. Back to more normal July 12.


> Martin Maechler, ETH Zurich and R-Core Team
> BW> cheers...
> BW> Brandon
> PD> Please notice that there is NO release of R 2.12.0 until some time
> PD> around October. You are using a build from the UNSTABLE development
> PD> branch. The stable branch is 2.11.1 with a release date of May 31. If
> PD> Ubuntu is claiming that there is such a thing as a R 2.12.0 release, I'd
> PD> say that they have a problem.
> PD> Not that we don't welcome reports on problems in the development branch,
> PD> but do notice that it is by definition UNSTABLE, and that bugs can come
> PD> and go without notice.
> PD> -pd
> ______________________________________________
> mailing list

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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