[R] installing gzip files

[Adele Cutler]

I'm trying to install an R package that arrived in a 
package.tar.gz file.

I use:

R INSTALL -l /home/adele/packagedir package.tar.gz

and I get:

ERROR: cannot extract package from package.tar.gz

 
The author of the package assures me that the same
command works for his version of solaris and R. 
He has solaris 5.7 and R 1.4.1, while I have 
solaris 5.8 and R 1.4.1.

Does anyone know what's wrong and how to fix it? 

Thanks,
Adele Cutler
 
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