log_file log_date log_time ocn year
ocn.log.150626-122054   150626   122054      125
ocn.log.150626-163114   150626   163114      131
ocn.log.150627-025132   150627    25132      146
ocn.log.150627-132213   150627   132213      161
ocn.log.150627-233829   150627   233829      176
ocn.log.150628-100402   150628   100402      191
ocn.log.150628-201543   150628   201543      206
ocn.log.150629-064127   150629    64127      221
ocn.log.150629-165916   150629   165916      236
ocn.log.150630-032459   150630    32459      251
ocn.log.150630-134031   150630   134031      266
ocn.log.150701-054155   150701    54155      266
ocn.log.150701-155410   150701   155410      281
ocn.log.150702-020839   150702    20839      296
ocn.log.150705-151846   150705   151846      311
ocn.log.150705-164045   150705   164045      313
ocn.log.150706-025816   150706    25816      328
ocn.log.150706-131428   150706   131428      343
ocn.log.150707-182430   150707   182430      358