log_file log_date log_time ocn year
ocn.log.141112-120338   141112   120338        1
ocn.log.141112-125855   141112   125855        2
ocn.log.141112-150559   141112   150559        3
ocn.log.141112-154019   141112   154019        4
ocn.log.141113-105345   141113   105345        5
ocn.log.141113-152435   141113   152435       13
ocn.log.141113-195034   141113   195034       21
ocn.log.141114-001420   141114     1420       29