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Top Forums Shell Programming and Scripting Sort Unique Column with the most recent timestamp Post 302958753 by rahul2662 on Monday 26th of October 2015 07:27:49 AM
Old 10-26-2015
Sort Unique Column with the most recent timestamp

Hello,

I have a sample file with the below contents :

Code:
Backup  Oracle8_P112_PEGA_Archivedel    Completed       full    10/11/2015 03:50:06PM
Backup  Oracle8_G567_PEGA_Archivedel    Completed       full    10/11/2015 01:15:56PM
Backup  Oracle8_P112_PEGA_Archivedel    Completed       full    10/11/2015 02:15:21PM
Backup  Oracle8_G567_PEGA_Archivedel    Completed       full    10/11/2015 03:15:17PM
Backup  Oracle8_P112_PEGA_Archivedel    Completed       full    10/11/2015 02:18:32PM

I want only those output records satisying both of the below cases ::::::

1) Unique values from Column 2nd
2) Most recent timestamp from column 5th/6th.

For example following should be the Output (we have selected Unique values from column 2nd and the record with most recent timestamp is the output ):

Code:
Backup  Oracle8_P112_PEGA_Archivedel    Completed       full    10/11/2015 03:50:06PM
Backup  Oracle8_G567_PEGA_Archivedel    Completed       full    10/11/2015 03:15:17PM

Could someone please help me with providing approach to proceed with this.

Thanks
Rahul
 

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BDB.DB0(5)							AFS File Reference							BDB.DB0(5)

NAME
bdb.DB0, bdb.DBSYS1 - Contain the Backup Database and associated log DESCRIPTION
The bdb.DB0 file contains the Backup Database, which records configuration information used by the AFS Backup System along with cross- indexed records of the tapes created and volumes dumped using the Backup System commands. The bdb.DBSYS1 file is a log file in which the Backup Server (buserver process) logs each database operation before performing it. When an operation is interrupted, the Backup Server replays the log to complete the operation. Both files are in binary format and reside in the /var/lib/openafs/db directory on each database server machine that runs the Backup Server. When the Backup Server starts or restarts on a given machine, it establishes a connection with its peers and verifies that its copy of the bdb.DB0 file matches the copy on the other database server machines. If not, the Backup Servers use AFS's distributed database technology, Ubik, to distribute to all of the machines the copy of the database with the highest version number. Use the commands in the backup suite to administer the Backup Database. It is advisable to create a backup copy of the bdb.DB0 file on tape on a regular basis, using the UNIX tar command or another local disk backup utility. SEE ALSO
backup(8), backup_savedb(8), buserver(8) COPYRIGHT
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved. This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. OpenAFS 2012-03-26 BDB.DB0(5)
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