[R] Install packages not working in latest version?

[Uwe Ligges]

Neotropical bat risk assessments wrote:
> Seems that the latest version R version 2.9.0 (2009-04-17)
>  has a glitch and will not install packages. Issue with unzipping?
> 
> Works fine with R version 2.8.1 (2008-12-22)
> 
> 
>  > install.packages("ff")
> --- Please select a CRAN mirror for use in this session ---
> trying URL 'http://cran.fhcrc.org/bin/windows/contrib/2.9/ff_2.0.1.zip'
> Content type 'application/zip' length 779664 bytes (761 Kb)
> opened URL
> downloaded 761 Kb
> 
> Error in .Internal(int.unzip(zipname, NULL, dest)) :
>   no internal function "int.unzip"


Please check if you have old base packages in a library that is used 
before the standard library in R_HOME/library when you start R-2.9.0.

Uwe Ligges


>  >
> Bruce
> 
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