R help - Feb 2013 - Avoid re-building a vignette

I once knew the answer to this, but can't find where I found it.

Say I have a vignette that I don't want R to automatically rebuild, perhaps
it uses some
data I can't share or takes too long to run or whatever.  Say it is 
mypackage/vignettes/charlie.Rnw

It can create the pdf from an R session that actually has the data, place that
result in
inst/doc/charlie.pdf, then run
      R CMD build --no-vignettes mypackage

So far so good.  But then when I do R CMD INSTALL mypackage.tar.gz the intall
process
tries to run Sweave, resulting in a failure.   How do I get it to skip the
Sweave call?

Terry Therneau

On 11.02.2013 15:44, Terry Therneau wrote:
> I once knew the answer to this, but can't find where I found it.
>
> Say I have a vignette that I don't want R to automatically rebuild,
> perhaps it uses some data I can't share or takes too long to run or
> whatever.  Say it is mypackage/vignettes/charlie.Rnw
>
> It can create the pdf from an R session that actually has the data,
> place that result in inst/doc/charlie.pdf, then run
>       R CMD build --no-vignettes mypackage
>
> So far so good.  But then when I do R CMD INSTALL mypackage.tar.gz the
> intall process tries to run Sweave, resulting in a failure.   How do I
> get it to skip the Sweave call?
I think this happens when you R CMD build, not when you INSTALL.

Writing R Extensions tells us:
"The ?BuildVignettes? logical field can be set to a false value to stop 
R CMD build from attempting to rebuild the vignettes, as well as 
preventing R CMD check from testing this. This should only be used 
exceptionally, for example if the PDFs need large figures which are not 
part of the package sources."

Best,
Uwe



>
> Terry Therneau
>
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