echo $PATH
/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
##</code><code>##

perl5                          @5.12.3         lang/perl5
perl5.10                       @5.10.1         lang/perl5.10
perl5.12                       @5.12.3         lang/perl5.12
perl5.14                       @5.14.1         lang/perl5.14
perl5.8                        @5.8.9          lang/perl5.8

##</code><code>##

perl5.14 has the variants:
   dtrace: Build with DTrace probes
   shared: Build shared perl library
   threads: Build with thread support
   universal: Build for multiple architectures

##</code><code>##

/usr/bin/perl (native)
/opt/local/bin/perl (macports)