Summary of my perl5 (revision 5 version 8 subversion 0) configuration:

...
Locally applied patches:
      ActivePerl Build 802
Built under MSWin32
Compiled at Nov  8 2002 00:54:02
@INC:
  C:/Perl-5.8.0/lib
  C:/Perl-5.8.0/site/lib
  .

##</code><code>##

if ($^V eq v5.6.1) { print "I found version 5.6.1!\n"; }
if ($^V eq v5.8.0) { print "I found version 5.8.0!\n"; }