# File lib/mini_exiftool.rb, line 46
  def initialize filename=nil, opts={}
    opts = @@opts.merge opts
    @numerical = opts[:numerical]
    @composite = opts[:composite]
    @convert_encoding = opts[:convert_encoding]
    @timestamps = opts[:timestamps]
    @values = TagHash.new
    @tag_names = TagHash.new
    @changed_values = TagHash.new
    @errors = TagHash.new
    load filename unless filename.nil?
  end