[R] BUG?

Uwe Ligges ligges at statistik.uni-dortmund.de
Sat May 18 09:00:14 CEST 2002

Ricardo Gonçalves Da-Silva wrote:
> Dear Users,
> I downloaded the new R and before I update the packages from Cran I receive
> the following message?:
> Delete downloaded files (y/N)? y
> updating HTML package descriptions
> Warning message:
> error -1 in extracting from zip file
> What's wrong?

I guess a zipped file was corrupted. But there could be a number of
different problems ...

The error message is defined in dounzip.c and in your caase used in R by
zip.unpack() which is used by install.packages() which itself is used by

I'd suggest:
- Download the package again
- try do.unzip(packagename, librarypath) again

Now it would be useful to know some details on your OS (and version of
R, of course), because one could know whether your system supports
unzip. In that case you could set it in options(), if the R internal
unzip doesn't work.

Uwe Ligges
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