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Top Forums Shell Programming and Scripting ksh : need to get the 4 th line above and 2 nd below the matched pattern in the log file Post 302861773 by rpm120 on Wednesday 9th of October 2013 03:33:06 PM
Old 10-09-2013
Quote:
Originally Posted by Akshay Hegde
Try

Code:
$ cat log 
012/01/21 10:29:02  (111111)  Processing Job '23_369468343464564'
     2012/01/21 10:29:02  (111111)
     Making Job '23_369468343464564.0'...
     2012/01/21 10:29:04 (111111)
     Jobnumber '23_369468343464564' was successful 
     2012/01/21 10:29:04  (111111) 
Job has 123 Docs 234 Pgs 456 Lines 4 Errors
     2012/01/21 10:29:04  (111111)
     Total in Job: 123 documents using 29 KBytes

Code:
$ awk '/Processing/{j=$0}/^Job.*Errors$/{printf j RS  $0 RS}' OFS=\\t log 
012/01/21 10:29:02  (111111)  Processing Job '23_369468343464564'
Job has 123 Docs 234 Pgs 456 Lines 4 Errors

Thanks for your solution.

As of my understanding you code matches the specific pattern and gets the required line. This works perfectly when these pattern appear constantly every time in the log.

But in my scenario its like only this line - Jobnumber '23_369468343464564' was successful appears constanly every time whereas the fourth line above that and the second line after that line are not always same.
So in order get these two lines (4th line above & 2th line below) every time, for that matter what ever patterns it may be I thought of achieving it in this way.

Hope I am clear about the problem statement.
 

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QSTAT(1)						User Contributed Perl Documentation						  QSTAT(1)

NAME
qstat - display job/partition information in a familiar pbs format SYNOPSIS
qstat [-f] [-a|-i|-r] [-n [-1]] [-G|-M] [-u user_list] [-? | --help] [--man] [job_id...] qstat -Q [-f] qstat -q DESCRIPTION
The qstat command displays information about jobs. OPTIONS
-a Displays all jobs in a single-line format. See the STANDARD OUTPUT section for format details. -i Displays information about idle jobs. This includes jobs which are queued or held. -f Displays the full information for each selected job in a multi-line format. See the STANDARD OUTPUT section for format details. -G Display size information in gigabytes. -M Show size information, disk or memory in mega-words. A word is considered to be 8 bytes. -n Displays nodes allocated to a job in addition to the basic information. -1 In combination with -n, the -1 option puts all of the nodes on the same line as the job id. -r Displays information about running jobs. This includes jobs which are running or suspended. -u user_list Display job information for all jobs owned by the specified user(s). The format of user_list is: user_name[,user_name...]. -? | --help brief help message --man full documentation STANDARD OUTPUT
Displaying Job Status If the -a, -i, -f, -r, -u, -n, -G, and -M options are not specified, the brief single-line display format is used. The following items are displayed on a single line, in the specified order, separated by white space: the job id the job name the job owner the cpu time used the job state C - Job is completed after having run E - Job is exiting after having run. H - Job is held. Q - job is queued, eligible to run or routed. R - job is running. T - job is being moved to new location. W - job is waiting for its execution time (-a option) to be reached. S - job is suspended. the queue that the job is in If the -f option is specified, the multi-line display format is used. The output for each job consists of the header line: Job Id: job identifier followed by one line per job attribute of the form: attribute_name = value If any of the options -a, -i, -r, -u, -n, -G or -M are specified, the normal single-line display format is used. The following items are displayed on a single line, in the specified order, separated by white space: the job id the job owner the queue the job is in the job name the session id (if the job is running) the number of nodes requested by the job the number of cpus or tasks requested by the job the amount of memory requested by the job either the cpu time, if specified, or wall time requested by the job, (in hh:mm) the job state The amount of cpu time or wall time used by the job (in hh:mm) EXIT STATUS
On success, qstat will exit with a value of zero. On failure, qstat will exit with a value greater than zero. perl v5.14.2 2012-04-10 QSTAT(1)
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