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Full Discussion: Need help in getting the Last 30 minutes logs from the Log File
Top Forums Shell Programming and Scripting Need help in getting the Last 30 minutes logs from the Log File Post 302953840 by rahul2662 on Wednesday 2nd of September 2015 03:24:15 AM
Old 09-02-2015
Need help in getting the Last 30 minutes logs from the Log File
I have a log file with the below contents :

log_file_updated.txt :

Code:
Jul  5 03:33:06  rsyslogd: [origin software="" swVersion="" x-pid="4567" x-info=] was 
Jul  5 03:33:09 adcsdb1 rhsmd: This system is registered.
Sep  2 02:45:48 adcsdb1 UDSAgent[44247]: 2015-07-05 04:24:48.959 INFO   Worker_Thread_4032813936 Accepted connection from host <unknown> (ipaddress 10.80.116.60:40819)
Jul  5 04:24:49 adcsdb1 multipathd: dm-12: remove map (uevent)
Sep  2 02:51:49 adcsdb1 multipathd: dm-12: devmap not registered, can't remove
Jul  5 04:24:55 adcsdb1 multipathd: mpathaq: event checker exit
Jul  5 04:24:55 adcsdb1 multipathd: uevent trigger error
Jul  5 04:24:55 adcsdb1 multipathd: dm-8: remove map (uevent)

I want only those Logs from the above file which are updated in the last 30 Minutes (which have timestamp of last 30 Minutes).

I ran the below command to find the timestamp 30 minutes before and it worked fine :

Code:
$ date --date='30 minutes ago' '+%b %_d %H:%M:%S'
Sep  2 02:29:58

I ran the below command to find the current timestamp and it worked fine :
Code:
$ date '+%b %_d %H:%M:%S'
Sep  2 03:00:04

Now to search for the logs of the last 30 minutes from the file I ran the below command and it worked fine :

Code:
awk -F - '"Sep  2 02:29:58" < $1 && $1 <="Sep  2 03:00:04"' log_file_updated.txt
Sep  2 02:45:48 adcsdb1 UDSAgent[44247]: 2015-07-05 04:24:48.959 INFO   Worker_Thread_4032813936 Accepted connection from host <unknown> (ipaddress 10.80.116.60:40819)
Sep  2 02:51:49 adcsdb1 multipathd: dm-12: devmap not registered, can't remove

However when I am trying to run the below command it is giving error :

Code:
awk -F - '"($(date --date='30 minutes ago' '+%b %_d %H:%M:%S))" < $1 && $1 <="($(date '+%b %_d %H:%M:%S'))"' log_file_updated.txt
-bash: syntax error near unexpected token `)'

Can someone Please help me.
 

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LEARN ABOUT CENTOS

locale::codes::langfam

Locale::Codes::LangFam(3)				User Contributed Perl Documentation				 Locale::Codes::LangFam(3)

NAME

       Locale::Codes::LangFam - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangFam;

	  $lext = code2langfam('apa');		       # $lext gets 'Apache languages'
	  $code = langfam2code('Apache languages');    # $code gets 'apa'

	  @codes   = all_langfam_codes();
	  @names   = all_langfam_names();

DESCRIPTION

       The "Locale::Codes::LangFam" module provides access to standard codes used for identifying language families, such as those as defined in
       ISO 639-5.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 639-5
       language family codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language families. A code set may be specified using either a name, or a
       constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lext = code2langfam('apa','alpha');
	  $lext = code2langfam('apa',LOCALE_LANGFAM_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from ISO 639-5 such as 'apa' for Apache languages.

	   This is the default code set.

ROUTINES

       code2langfam ( CODE [,CODESET] )
       langfam2code ( NAME [,CODESET] )
       langfam_code2code ( CODE ,CODESET ,CODESET2 )
       all_langfam_codes ( [CODESET] )
       all_langfam_names ( [CODESET] )
       Locale::Codes::LangFam::rename_langfam  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangFam::add_langfam  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangFam::delete_langfam  ( CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangFam::delete_langfam_alias  ( NAME )
       Locale::Codes::LangFam::rename_langfam_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::delete_langfam_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.loc.gov/standards/iso639-5/id.php
	   ISO 639-5 .

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2013 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.3							    2013-02-27						 Locale::Codes::LangFam(3)
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