You are now in the directory for the port "misc/p5-Business-CreditCard" (package name "p5-Business-CreditCard-0.21").
This is the one-line description for this port:
Perl5 module to validate/generate credit card checksums/names
Please read the file "pkg/DESCR" for a longer description.
Go to the top of the ports tree for a summary on how to use the ports collection.