[Rd] Depends: R (>= x.y.z)

Kurt Hornik Kurt.Hornik@ci.tuwien.ac.at
Mon, 11 Jun 2001 18:11:50 +0200

>>>>> Paul Gilbert writes:

> To my inverted way of thinking there is something wrong with the general
> logic of what is being attempted here.

> I think people should be encouraged to upgrade to the most recent
> released version of R. At best I test my packages with the last two
> releases of R, so it is only by accident that the "Depends" line on my
> packages may not specify the most recent release.

> On the other hand, an unmaintained package could quickly depend on an
> older version of R. I don't see any way a package maintainer can specify
> this, but there could be some mechanism (possible tied to passing R CMD
> check) that specifies dependency on an older version of R. Perhaps this
> might also be formally recognized as a mechanism for moving things out
> of the contrib section of CRAN.  If this is to be written into a file in
> the package it would require modifying the contents of the tar ball, but
> if it could be coded into a prefix on the package name it might be
> simpler?

You can do

	Depends: R (<= 1.2.3)

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