Represents a CPAN Package. Note: The functions filename and file_content work only if a mirror directory was supplied for parsing or the package file was situated inside a cpan mirror structure.
Tries to guess the name of the file containing this package by looking through the files contained in the distribution it belongs to.
Tries to return the contents of the file returned by filename().
Experimental function. Tries to return the names of all subs in the package.
Experimental function. Tries to see if any sub name in the package matches the regex.