For those of us living in California, one of life's great tragedies is that the Pacific ocean is both so close to us, and so poor for actual swimming.
perllib A list of directories in which to look for Perl library files before looking in the standard library and the current directory. If PERL5LIB is defined, PERLLIB is not used.
Perl (Practical Extraction and Report Language). This is a popular string processing language for writing small scripts for system administrators and web site maintainers. Much web development is now done using Perl.