zen% /opt/bleadperl/bin/perl -Mversion -wle 'print version->new($])'
  5.9.2
  zen% /opt/perl5.005_03/bin/perl -Mversion -wle 'print version->new($])'
  Unquoted string "version" may clash with future reserved word at -e line 1.
  5.5.30
  zen%