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Full Discussion: Cp & skipping exiting files
Top Forums Shell Programming and Scripting Cp & skipping exiting files Post 302962974 by Don Cragun on Monday 21st of December 2015 03:09:56 PM
Old 12-21-2015
Assuming that you just want to copy files from the directory /p2/arch/log (and not from subdirectories of that directory), you could try something like the following. It is untested, but should come close to what you were trying to do:
Code:
cd /p2/arch/log
for f in *
do	[ -f "$f" ] || continue		# If this isn't a regular file, skip it.
	[ -e "/p2/bkp/$f" ] && continue	# If a backup already exists, skip it.
	cp "$f" /p2/bkp			# Make a backup copy.
done

This should work with any shell based on Bourne shell syntax (e.g., ash, bash, dash, ksh, sh,zsh, etc.), but will not work with csh and its derivatives.
This User Gave Thanks to Don Cragun For This Post:
Daniel Gate
 

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LEARN ABOUT CENTOS

bdb.db0

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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