[R] problem when calling help.search() a second time

[Prof Brian Ripley]

On Thu, 1 Jun 2006, Jean lobry wrote:

> Dear list,
>
> I would like to make a Sweave document that, for a given package,
> automatically inserts the graphical outputs obtained when runing
> the example code of high level plot functions. That is, for the
> "graphics" base package, something like this:
> http://pbil.univ-lyon1.fr/R/fichestd/tdr79.pdf
>
> For this, I need the list of high level plot functions of a
> given package. I have encountered a problem when calling twice the
> help.search() function which is illustrated bellow:
>
> [rufus:~] lobry% R --vanilla --quiet
>>  sessionInfo()
> Version 2.3.0 (2006-04-24)
> powerpc-apple-darwin8.6.0
>
> attached base packages:
> [1] "methods"   "stats"     "graphics"  "grDevices" "utils"     "datasets"
> [7] "base"
>>  help.search(package = "graphics", keyword = "hplot")
>
> #this one is OK, but not the next one:
>
>>  help.search(package = "stats", keyword = "hplot")
> Erreur dans help.search(package = "stats", keyword = "hplot") :
>         could not find package 'stats'
>>  q()
>
> #Now, if I switch the call order:
>
> [rufus:~] lobry% R --vanilla --quiet
>>  help.search(package = "stats", keyword = "hplot")
>
> #this one is OK, but not the next one:
>
>>  help.search(package = "graphics", keyword = "hplot")
> Erreur dans help.search(package = "graphics", keyword = "hplot") :
>         could not find package 'graphics'
>>  q()
> [rufus:~] lobry%
>
>
> Is there something obvious I'm missing?

Argument 'rebuild'.  The error message will be better in R-devel.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595