use Config '%Config';
print "sitearch = $Config{archlib}\n";

##</code><code>##

perl -V:'site.*'
eval `perl -V:'privlib privarch sitelib sitearch'`
ls $sitelib/Crypt
ls $sitearch/Crypt

##</code><code>##

eval $(perl -V:'prefix version archname')
echo $prefix/lib/site_perl/$version/$archname