':return: the given file(s) as string or int
:rtype: list or int
:param month: If true, return months instead of year-month-date'

def age(self, fileids=None, speaker='CHI', month=False):

    if (not self._lazy):
        return [self._get_age(fileid, speaker, month) for fileid in self.abspaths(fileids)]
    get_age = (lambda fileid: self._get_age(fileid, speaker, month))
    return LazyMap(get_age, self.abspaths(fileids))
