For an example of the use of this module, see fmscore at

  http://www.new.ox.ac.uk/~adam/computing/fmscore/

fmscore is a program which scores articles in freshmeat newsletter in
a user-defined manner, and then sorts the entries accordingly.  The
user specifies scoring through pseudo-Perl-code, which can be anything
from simple keywords of interest/disinterest, to arbitrarily complex
code.