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Old 06-13-2012, 11:39 PM   #1
shwhooda
LQ Newbie
 
Registered: Jun 2012
Posts: 5

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how to select date and some specific data from a log file


Hi,
I am new to Linux. I have to search a log file and extract the date and "UPDATE_STOP" data to a csv file in 2 columns.
This is the sample from my log file :

RTS_WS974 05/06/12 01:04:28.801 [20:23:38.450] recv :4620
RTS_WS974 05/06/12 01:04:30.863 [20:23:41.450] MethodName : UPDATE_STOP

So my requirement is :
>> Output CSV File
Column A Column B
05/06/12 01:04:30.863 MethodName : UPDATE_STOP

There is other data in the file which i dont need.
Please help me in getting the output. I tried grep command however, i am able to extract the only the method but not sure how to extract the varying time.
 
Old 06-13-2012, 11:48 PM   #2
chrism01
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Registered: Aug 2004
Location: Sydney
Distribution: Centos 6.8, Centos 5.10
Posts: 17,258

Rep: Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328Reputation: 2328
Here's a very simple method
Code:
grep UPDATE_STOP logfile|awk '{print  $2,$3,$5,$6,$7}'

# if you actually want a comma eg before Method..
grep UPDATE_STOP logfile|awk '{print  $2,$3",",$5,$6,$7}'
http://www.grymoire.com/Unix/Awk.html
 
1 members found this post helpful.
Old 06-25-2012, 07:56 PM   #3
shwhooda
LQ Newbie
 
Registered: Jun 2012
Posts: 5

Original Poster
Rep: Reputation: Disabled
How to implement search in python

Quote:
Originally Posted by chrism01 View Post
Here's a very simple method
Code:
grep UPDATE_STOP logfile|awk '{print  $2,$3,$5,$6,$7}'

# if you actually want a comma eg before Method..
grep UPDATE_STOP logfile|awk '{print  $2,$3",",$5,$6,$7}'
http://www.grymoire.com/Unix/Awk.html
Hi,
Please let me know how to this can be processed using python.
I tried using read file function and printing line when it finds "UPDATE_STOP" but nothing gets printed.
Best Regards,
Shweta
 
  


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