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Full Discussion: time diffrence between two lines in a log file
Top Forums Shell Programming and Scripting time diffrence between two lines in a log file Post 302311287 by reddybs on Tuesday 28th of April 2009 10:45:08 AM
Old 04-28-2009
Quote:
Originally Posted by namishtiwari
Hi,

I have tried this so far but time diffrence is not coming , it is showing syntax error for the time diffrence line.
Code:
#!/usr/bin/ksh
#set -x
start_time=0;
end_time=0;
result=0;
while [ logfile ]
       do
           for line in logfile
           do
           var1=`grep "Entering ARRF_LIB_Evaluate" $line`
           start_time=`echo $var1 | cut -d " " -f4`
           echo "$start_time"
           var2=`grep "Exiting ARRF_LIB_Evaluate" $line`
           end_time=`echo $var2 | cut -d " " -f4`
           echo "$end_time"
           result=`expr $end_time - start_time`
           echo $result
           done
done

When i ran this script i am getting --
[root@tsrh4ent shell_perl_script]# sh timediff.sh
02:11:03.162
02:11:03.240
expr: non-numeric argument

and it is going on in infinite loop, i want it like, when the logfile ends it should stop.

Kindly help me in this..

Thanks
NT

You missed out "$" in the below line:
Code:
 result=`expr $end_time - $start_time`

Give it a try!!!
 

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LEARN ABOUT OPENSOLARIS

ds.log

ds.log(4)							   File Formats 							 ds.log(4)

NAME

       ds.log - Availability Suite data services log file

DESCRIPTION

       The  /var/adm/ds.log file contains the Availability Suite data services command log. The administration commands log activities to the file
       in the format:

	 date time product: message

       Note that when the size of the log file exceeds 10 Mbytes, ds.log is renamed  /var/adm/ds.log.bak  and a new /var/adm/ds.log file  is  cre-
       ated.

       The ds.log fields are:

       date

	   The	date format is mmm nn, where mmm  is  the local three-character abbreviation for the month and nn is the day of the month on which
	   the event occurred.

       time

	   The time of the event, in hh:mm:ss format.

       product

	   A product code that identifies which component of the data services produced the event. The code is separated  from	the  message  that
	   follows by a colon (:) and a space.

       message

	   A  message  that  can extend over  more  than  one  line describing the event that occurred. The second or following lines are not pre-
	   fixed by  the  date, time, and product code strings.

EXAMPLES

       The example below shows sample ds.log file content:

	 Jan 25 05:26:17 ii: iiboot suspend cluster tag <none>
	 Jan 25 05:32:02 ii: iiboot resume cluster tag <none>
	 Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/bigmaster
	 Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/bigshadow
	 Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/mstvxfs
	 Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/master01

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +---------------------+---------------------------------------------------------+
       |   ATTRIBUTE TYPE    |			   ATTRIBUTE VALUE		       |
       +---------------------+---------------------------------------------------------+
       |Architecture	     | x86						       |
       +---------------------+---------------------------------------------------------+
       |Availability	     | SUNWscmu 					       |
       +---------------------+---------------------------------------------------------+
       |Interface Stability  | Committed					       |
       +---------------------+---------------------------------------------------------+

SEE ALSO

       iiadm(1M), sndradm(1M), svadm(1M), attributes(5)

SunOS 5.11							    08 Jun 2007 							 ds.log(4)
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