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Full Discussion: Processing of log files
Top Forums Shell Programming and Scripting Processing of log files Post 302949484 by scott_apc on Saturday 11th of July 2015 03:34:07 PM
Old 07-11-2015
Processing of log files

Hi,

I have typical logs file something of these formats -

Code:
fn2013.12.13.log
fn2013.12.13_a.log
fn2013.12.13_b.log

suffix part is after the underscore ( ie a.log or b.log )

I need to process the files in ascending date order, but descending suffix order, and check if the file exist and is greater than zero, and on failure an appropriate message should be displayed like "file is of zero size".

Coming from just a normal Unix knowledge background, it is difficult for me to process the file based on the sorting logic as described above. Could someone help me on this. ?

I will really appreciate if someone could help me this or guide me through.

Thanks.
Moderator's Comments:
Mod Comment Please use CODE tags for all sample input, sample output, and code segments.

Last edited by Don Cragun; 07-11-2015 at 10:29 PM.. Reason: Add CODE AND ICODE tags.
 

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nislog(1M)                                                System Administration Commands                                                nislog(1M)

NAME
nislog - display the contents of the NIS+ transaction log SYNOPSIS
/usr/sbin/nislog [-h num | -t num] [-v] [directory...] DESCRIPTION
nislog displays the contents of the NIS+ server transaction log on the standard output. This command can be used to track changes in the namespace. The /var/nis/trans.log file contains the transaction log maintained by the NIS+ server. When updates occur, they are logged to this file and then propagated to replicas as log transactions. When the log is checkpointed, updates that have been propagated to the replicas are removed. The nislog command can only be run on an NIS+ server by superuser. It displays the log entries for that server only. If directory is not specified, the entire log is searched. Otherwise, only those logs entries that correspond to the specified directories are displayed. OPTIONS
-h num Display num transactions from the ``head'' of the log. If the numeric parameter is 0, only the log header is displayed. -t num Display num transactions from the ``tail'' of the log. If the numeric parameter is 0, only the log header is displayed. -v Verbose mode. FILES
/var/nis/trans.log transaction log ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWnisu | +-----------------------------+-----------------------------+ SEE ALSO
nis+(1), rpc.nisd(1M), nisfiles(4), attributes(5) NOTES
NIS+ might not be supported in future releases of the SolarisTM Operating Environment. Tools to aid the migration from NIS+ to LDAP are available in the Solaris 9 operating environment. For more information, visit http://www.sun.com/directory/nisplus/transition.html. SunOS 5.10 12 Dec 2001 nislog(1M)
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