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Top Forums UNIX for Beginners Questions & Answers Help with understanding this regex in a Perl script parsing a 'complex' string Post 303035631 by newbie_01 on Wednesday 29th of May 2019 01:49:55 PM
Old 05-29-2019
Hi RudiC

I tried both of your suggestion and they both work fine with test2.log but not with test1.log. Is there any way to get it to work for both or do I need to use different awk code for each?

Code:
$ head -100 test*log
==> test1.log <==
2018-07-23 13:19:38 * (CONNECT_DATA=(CID=(PROGRAM=JDBC Thin Client)(HOST=__jdbc__)(USER=mickey))(SERVER=DEDICATED)(SERVICE_NAME=work_app.com.ph)) * (ADDRESS=(PROTOCOL=tcp)(HOST=12.123.11.123)(PORT=53102)) * establish * work_app.com.ph * 0
2018-07-23 09:12:12 * (CONNECT_DATA=(CID=(PROGRAM=SQL Developer)(HOST=__jdbc__)(USER=minnie))(SERVICE_NAME=work_app.com.ph)(SERVER=dedicated)(INSTANCE_NAME=testp11)) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.214.14.29)(PORT=53548)) * establish * work_app.com.ph * 0

==> test2.log <==
2019-05-12 04:17:10 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=fail_app.com.ph)(CID=(PROGRAM=C:\Windows\system32\exec01.exe)(HOST=MNLAPP01)(USER=!sysadmin01))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.11.11.123)(PORT=62625)) * establish * fail_app.com.ph * 0
2019-05-12 04:17:10 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=fail_app.com.ph)(CID=(PROGRAM=C:\Windows\system32\exec02.exe)(HOST=MNLAPP01)(USER=!sysadmin01))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.11.11.123)(PORT=62627)) * establish * fail_app.com.ph * 0
2019-05-12 04:17:10 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=fail_app.com.ph)(CID=(PROGRAM=C:\Windows\system32\exec03.exe)(HOST=MNLAPP01)(USER=!sysadmin01))(INSTANCE_NAME=xxxt23)) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.11.11.123)(PORT=62626)) * establish * fail_app.com.ph * 0
2019-05-12 04:17:11 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=fail_app.com.ph)(CID=(PROGRAM=C:\Windows\system32\exec01.exe)(HOST=MNLAPP01)(USER=!sysadmin01))) * (ADDRESS=(PROTOCOL=tcp)(HOST=10.11.11.123)(PORT=62629)) * establish * fail_app.com.ph * 0

These connect strings are from the Oracle DB listener logs and it contains several version of these connection strings. So far, these are the only two formats that I've seen, hopefully there is not another one.

What am currently doing is grep and re-direct all of them to a file and then further break down those two files based on (CONNECT_DATA=(CID= and (CONNECT_DATA=(SERVER=DEDICATED) and then run those four (4) awk and paste for each set and then combine them both Smilie. If I found another version of how the CONNECT_DATA looks like, I supposed I create another for that case. Not sure if there is any other way around it.

Would have been if Oracle themselves had provided their own parser Smilie
 

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PPERL(1p)						User Contributed Perl Documentation						 PPERL(1p)

NAME
PPerl - Make perl scripts persistent in memory SYNOPSIS
$ pperl foo.pl DESCRIPTION
This program turns ordinary perl scripts into long running daemons, making subsequent executions extremely fast. It forks several processes for each script, allowing many processes to call the script at once. It works a lot like SpeedyCGI, but is written a little differently. I didn't use the SpeedyCGI codebase, because I couldn't get it to compile, and needed something ASAP. The easiest way to use this is to change your shebang line from: #!/usr/bin/perl -w To use pperl instead: #!/usr/bin/pperl -w WARNINGS
Like other persistent environments, this one has problems with things like BEGIN blocks, global variables, etc. So beware, and try checking the mod_perl guide at http://perl.apache.org/guide/ for lots of information that applies to many persistent perl environments. Parameters $ pperl <perl params> -- <pperl params> scriptname <script params> The perl params are sent to the perl binary the first time it is started up. See perlrun for details. The pperl params control how pperl works. Try -h for an overview. The script params are passed to the script on every invocation. The script also gets any current environment variables, the current working directory, and everything on STDIN. Killing In order to kill a currently running PPerl process, use: pperl -- -k <scriptname> You need to make sure the path to the script is the same as when it was invoked. Alternatively look for a .pid file for the script in your tmp directory, and kill (with SIGINT) the process with that PID. ENVIRONMENT
pperl uses the PPERL_TMP_PATH environment variable to determine the directory where to store the files used for inter-process communication. By default, the subdirectory .pperl of the user's home directory is used. BUGS
The process does not reload when the script or modules change. $^S is not represented identically with respect to perl, since your script will be run within an eval block AUTHOR
Matt Sergeant, matt@sergeant.org. Copyright 2001 MessageLabs Ltd. SEE ALSO
perl. perlrun. perl v5.14.2 2011-11-15 PPERL(1p)
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