md5_splay.rb

require 'digest/md5'
module Puppet::Parser::Functions
    newfunction(:md5_splay, :type => :rvalue) do |args|
        raise(Puppet::ParseError, "md5_splay(): Wrong number of arguments " +
            "given (#{args.size} for 2)") if args.size != 2

        value  = args[0]
        modulo = args[1].to_i

        return Digest::MD5.hexdigest(value).hex % modulo
    end
end