Nick - Sorry that 'Perl 6' in the title misled you into thinking it was an article about Perl 5. Maybe this code snippet will help:

if ( "Perl 5" eq "Perl 6" ) {
  print "Yes\n"
} else {
  print "No\n";
}
[download]

As a public service, note that it works in both Perls 5 and 6.