[Rd] R CMD check should check date in description

[Gabor Grothendieck]

I think its somewhat inspiring to be able to get R CMD check to the
point that there are no warnings so having a situation where a warning
is ok would interfere with that.

On Fri, Apr 4, 2008 at 3:54 PM, hadley wickham <h.wickham at gmail.com> wrote:
> >  I recently thought about this.  I see several issues.
> >
> >  * How can we determine if it is "old"?  Relative to the time when the
> >   package was uploaded to a repository?
> >
> >  * Some developers might actually want a different date for a variety of
> >   reasons ...
> >
> >  * What we currently say in R-exts is
> >
> >      The optional `Date' field gives the release date of the current
> >      version of the package.  It is strongly recommended to use the
> >      yyyy-mm-dd format conforming to the ISO standard.
> >
> >   Many packages do not comply with the latter (but I have some code to
> >   sanitize most of these), and "release date" may be a moving target.
> >
> >  The best that I could think of is to teach R CMD build to *add* a Date
> >  field if there was none.
>
> That sounds like a good solution to me.  Otherwise, maybe just a
> message from R CMD check?  i.e. just like failing the codetools
> checks, it might be perfectly ok, but you should be doing it
> consciously, not by mistake.
>
>
> Hadley
>
>
> --
> http://had.co.nz/
>
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