Indeed I get this error message when I install the library using R CMD 
INSTALL but not within the GUI (in MacOsX). Good to know that R CMD 
INSTALL is more verbose and permits to track bug.

Thanks a lot.

It works fine now.

Marc

Le 03/04/12 16:03, Duncan Murdoch a écrit :
> On 03/04/2012 9:50 AM, Marc Girondot wrote:
>> In case someone has the competence to check, the file is here:
>>
>> setwd("~")
>>
>> download.file("http://www.ese.u-psud.fr/epc/conservation/r-scripts/HelloWorld_1.0.tar.gz", 
>>
>> "HelloWorld_1.0.tar.gz")
>>
>> install.packages("HelloWorld_1.0.tar.gz", repos = NULL)
>
>
> The problem is that you try to export the name HelloWorld in your 
> NAMESPACE file, but you don't have an object of that name.  You should 
> export showHello instead.
>
> Not sure why you didn't see the error message I got:
>
> $ R CMD INSTALL HelloWorld_1.0.tar.gz
> * installing to library 'F:/cygwin/home/murdoch/R/win-library/2.15'
> * installing *source* package 'HelloWorld' ...
> ** R
> ** preparing package for lazy loading
> ** help
> Warning: 
> C:/temp/RtmpimSWuh/R.INSTALLe801c296e9/HelloWorld/man/HelloWorld-packag
> e.Rd:32: All text must be in a section
> Warning: 
> C:/temp/RtmpimSWuh/R.INSTALLe801c296e9/HelloWorld/man/HelloWorld-packag
> e.Rd:33: All text must be in a section
> *** installing help indices
> ** building package indices
> ** testing if installed package can be loaded
> Error in namespaceExport(ns, exports) : undefined exports: HelloWorld
> Error: loading failed
> Execution halted
> ERROR: loading failed
> * removing 'F:/cygwin/home/murdoch/R/win-library/2.15/HelloWorld'
>
> Duncan Murdoch 


-- 
__________________________________________________________
Marc Girondot, Pr

Laboratoire Ecologie, Systématique et Evolution
Equipe de Conservation des Populations et des Communautés
CNRS, AgroParisTech et Université Paris-Sud 11 , UMR 8079
Bâtiment 362
91405 Orsay Cedex, France

Tel:  33 1 (0)1.69.15.72.30   Fax: 33 1 (0)1.69.15.73.53
e-mail: marc.girondot@u-psud.fr
Web: http://www.ese.u-psud.fr/epc/conservation/Marc.html
Skype: girondot


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