require 'hedgelog/scrub_replacement' class Hedgelog class Scrubber def initialize(replacements = nil) @replacements = replacements || [ ScrubReplacement.new('pasword', '**********') ] end def scrub(data) # Need to Marshal.dump/Marshal.load to deep copy the input so that scrubbing doesn't change global state d = Marshal.load(Marshal.dump(data)) @replacements.each do |r| r.scrub_hash(d) end d end end end