gistfile1.rb

class AnagramDict
    begin
        @@anagramdict = Marshal.load "anagramdict.marshal"
    rescue
        @@anagramdict ||= Hash.new
        File.read("/usr/share/dict/word.list").split(/\n/).each do |word|
            sortedword=word.split('').sort.join
            @@anagramdict[sortedword] ||= []
            @@anagramdict[sortedword] << word
        end
        File.open("anagramdict.marshal","w") do |marshalfh|
            marshalfh.write Marshal.dump(@@anagramdict)
        end
    end

    def self.[](word)
        @@anagramdict[word.split('').sort.join]
    end
end

p AnagramDict["there"]