parsing through library course guides directory to compile list of items

littlegeek.rb

class LittleGeek
    require "find"
    attr_accessor :dir

    def initialize(dir = Dir.getwd)
        # the current working directory will be the default directory
        @dir = dir
    end

    def report
        Find.find(@dir) do |path|
            if File.directory?(path)
                if path =~ /_bak|_notes|\./ #we'll skip these directories
                    Find.prune
                else
                    puts "\n"
                    next
                end
            else
                # it might be nice to put this in a cleaner form
                #puts path + "\t" + File.mtime(path).strftime("%Y/%m/%d") unless path =~ /\.DS_Store|\.gif|\.png|\.jpg|\.jpeg/ 
                puts "http://www.muhlenberg.edu/library/guides/" + path + "\t" + File.mtime(path).strftime("%Y/%m/%d") if path =~ /\.htm*/
            end
        end
    end
end

test.rb

require "./littlegeek.rb"

lg = LittleGeek.new("libinst")
lg.report