def postprocess
      @position &&= @position.to_s.rjust(2, '0')
      @year = @created.year
      @month = @created.month.to_s.rjust(2, '0')
      @day = @created.mday.to_s.rjust(2, '0')
      @hour = @created.hour.to_s.rjust(2, '0')
      @minute = @created.min.to_s.rjust(2, '0')
      @second = @created.sec.to_s.rjust(2, '0')
    end
def postprocess
      @position &&= @position.to_s.rjust(2, '0')
      @year = @created.year
      @month = @created.month.to_s.rjust(2, '0')
      @day = @created.mday.to_s.rjust(2, '0')
      @hour = @created.hour.to_s.rjust(2, '0')
      @minute = @created.min.to_s.rjust(2, '0')
      @second = @created.sec.to_s.rjust(2, '0')
    end
If one argument is supplied:
 * +path+ is a an absolute filesystem path
 * +opts+ is a hash of disk options.

 If two arguments are supplied:
 * +position+
 * +path+ is a an absolute filesystem path
 * +opts+ is a hash of disk options.

 Valid options are:
 * +:path+ is a an absolute filesystem path (overridden by +path+ arg)
 * +:position+ (overridden by +position+ arg)
 * +:created+ is an instance of Time
 * +:user+ is the name of the user which created the backup.