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Full Discussion: To check timestamp in logfile and display lines upto 3 hours before current timestamp
Top Forums Shell Programming and Scripting To check timestamp in logfile and display lines upto 3 hours before current timestamp Post 302911298 by srkmish on Thursday 31st of July 2014 03:40:28 AM
Old 07-31-2014
To check timestamp in logfile and display lines upto 3 hours before current timestamp
Hi Friends,

I have the following logfile. Currently time in india is 07/31/2014 12:33:34 and i have the following content in logfile. I want to display only those entries which contain string 'Exception' within last 3 hours. In this case, it would be the last line only

Code:
[7/30/14 4:59:30 Exception Found
[7/30/14 5:18:55 Result is OK
[7/30/14 8:45:22 Exception found
[7/30/14 9:22:26 Exception found
[7/31/14 11:55:66 Exception found


I can get the timestamp in logfile as
Code:
awk '/Exception/ {print $1,$2}' trial.txt | sed 's/^.//' which gives below results

7/30/14 4:59:30
7/30/14 8:45:22
7/30/14 9:22:26
7/31/14 11:55:66

And i can get current timestamp as
Code:
date +"%m/%d/%Y %T"
07/31/2014 12:33:34

So, how can i compare current timestamp with timestamp in log file and display 'Exception' entries until last 3 hours.

---------- Post updated at 02:40 AM ---------- Previous update was at 02:07 AM ----------

I am trying this command. But it is throwing exception saying syntax error. What am i doing wrong?

Code:
awk '/Exception/ if ($1,$2 > $(date +"%m/%d/%Y %T" -d  "3 hour ago")) print $1,$2 ' trial.txt  | sed 's/^.//'

Last edited by Don Cragun; 07-31-2014 at 05:45 AM.. Reason: Add missing CODE tags.
 

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LEARN ABOUT CENTOS

perl::critic::exception::aggregateconfiguration

Perl::Critic::Exception::AggregateConfiguration(3)	User Contributed Perl Documentation	Perl::Critic::Exception::AggregateConfiguration(3)

NAME

       Perl::Critic::Exception::AggregateConfiguration - A collection of a set of problems found in the configuration and/or command-line options.

DESCRIPTION

       A set of configuration settings can have multiple problems.  This is an object for collecting all the problems found so that the user can
       see them in one run.

INTERFACE SUPPORT

       This is considered to be a public class.  Any changes to its interface will go through a deprecation cycle.

METHODS

       "add_exception( $exception )"
	   Accumulate the parameter with rest of the exceptions.

       "add_exceptions_from( $aggregate )"
	   Accumulate the exceptions from another instance of this class.

       "exceptions()"
	   Returns a reference to an array of the collected exceptions.

       "add_exception_or_rethrow( $eval_error )"
	   If the parameter is an instance of Perl::Critic::Exception::Configuration or Perl::Critic::Exception::AggregateConfiguration, add it.
	   Otherwise, "die" with the parameter, if it is a reference, or "confess" with it.  If the parameter is false, simply returns.

       "has_exceptions()"
	   Answer whether any configuration problems have been found.

       "full_message()"
	   Concatenate the exception messages.	See "full_message" in Exception::Class.

AUTHOR

       Elliot Shank <perl@galumph.com>

COPYRIGHT

       Copyright (c) 2007-2011 Elliot Shank.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.  The full text of this license
       can be found in the LICENSE file included with this module.

perl v5.16.3							    2014-06-09			Perl::Critic::Exception::AggregateConfiguration(3)
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