def optimize(options)
      try( options[:tune] ? :tune : :optimize,
           options.fetch(:width,  0).to_i,
           options.fetch(:limsiz, 0).to_i  )
    end
def optimize(options)
      try( options[:tune] ? :tune : :optimize,
           options.fetch(:width,  0).to_i,
           options.fetch(:limsiz, 0).to_i  )
    end
File System