Please help on "if" statement. Post: 302759449

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Top Forums UNIX for Dummies Questions & Answers Please help on "if" statement. Post 302759449 by chococrunch6 on Tuesday 22nd of January 2013 10:30:17 AM

01-22-2013

Registered User

thanks for clarification RudiC.

Actually there are only 6 log files which covers the whole day of logs( sometimes a combination of *gz and *Z files or all *gz files or all *Z files depending on the log size upon rotation).
Logs will be huge when (g)unzip, im afraid of having an FS issue by doing so i decided to use zcat | grep and gzgrep. Im sorry but im such a newbie and not so familiar with
"awk" command as you recommended.

Code:

Example logs on the archive:

/archive/2013-Jan-10$ 
        364M Jan 10 00:02 log.2013-Jan-10.00-00-50.Z
         75M Jan 10 04:00 log.2013-Jan-10.04-00-23.gz
         98M Jan 10 08:01 log.2013-Jan-10.08-00-32.gz
       174M Jan 10 12:02 log.2013-Jan-10.12-01-08.gz
        176M Jan 10 16:02 log.2013-Jan-10.16-01-23.gz
        354M Jan 10 20:02 log.2013-Jan-10.20-01-23.Z

/archive/2013-Jan-11$ 
        373M Jan 11 00:02 log.2013-Jan-11.00-00-53.Z
         83M Jan 11 04:01 log.2013-Jan-11.04-00-26.gz
        100M Jan 11 08:02 log.2013-Jan-11.08-00-31.gz
        344M Jan 11 12:02 log.2013-Jan-11.12-01-07.Z
        340M Jan 11 16:02 log.2013-Jan-11.16-01-23.Z
        362M Jan 11 20:02 log.2013-Jan-11.20-01-27.Z


/archive/2013-Jan-18$ 
        371M Jan 18 00:02 log.2013-Jan-18.00-00-52.Z
        91M Jan 18 04:01 log.2013-Jan-18.04-00-27.gz
        119M Jan 18 08:01 log.2013-Jan-18.08-00-31.gz
        154M Jan 18 12:02 log.2013-Jan-18.12-01-18.gz
         87M Jan 18 16:02 log.2013-Jan-18.16-01-40.gz
        105M Jan 18 20:02 log.2013-Jan-18.20-01-07.gz

The scripts will look like this:

Code:

date=`date +"%Y-%h-%d"`        
domainlist="4prd 5prd 6prd 7prd 8prd"
for domain in $domainlist
   do
     if [ -f /archive/$date/* ] ; then
                    # ^--- check if logs are present in the archive dir
        ls -l /archive/$date/* | grep Z
                    # ^--- check for *Z files
            if [ $? -eq 0 ] ; then
                zcat /archive/$date/*Z | grep "$domain" >> /archive/$date/$domain.txt
                    # ^--- grep "domain" for *Z files
                gzgrep "$domain" /archive/$date/*gz >> /archive/$date/$domain.txt
                    # ^--- grep "domain" for *gz files
                gzip -f /archive/$date/$domain.txt 
                  # ^--- archive has *Z files, perform the ff commands above, but the TIMESTAMP on the output file may sometimes won't be in order.
            else
                gzgrep "$domain" /archive/$date/*gz >> /archive/$date/$domain.txt
                gzip -f /archive/$date/$domain.txt
                # ^--- archive has no *Z files
            fi
        else
        echo ">>Logs not found, kindly check archive directory.."
     fi
  done

Kindly let me know if you have better solution for this. I would really appreciate your response. Thanks!

Regards,
Choco

chococrunch6

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LEARN ABOUT CENTOS

pmfetcharchive

PMFETCHARCHIVE(3)					     Library Functions Manual						 PMFETCHARCHIVE(3)

NAME

       pmFetchArchive - get performance metrics directly from an archive log

C SYNOPSIS

       #include <pcp/pmapi.h>

       int pmFetchArchive(pmResult **result);

       cc ... -lpcp

DESCRIPTION

       pmFetchArchive  is  a  variant  of  pmFetch(3) that may only be used when the current Performance Metrics Application Programming Interface
       (PMAPI) context is associated with an archive log.

       The result is instantiated with all of the metrics (and instances) from the next archive record, consequently there is no notion of a  list
       of desired metrics, and the instance profile of the PMAPI context is ignored.

       It  is  expected that pmFetchArchive would be used to create utilities that scan archive logs, while the more common access to the archives
       would be via the pmFetch(3) interface.

       To skip records within the archive log, use pmSetMode(3) to change the  collection  time  within  the  current  PMAPI  context,	then  call
       pmFetchArchive.

       Note  that  the	result returned by pmFetchArchive is dynamically allocated, and must be released using pmFreeResult(3), not free(3C).  See
       pmFetch(3) and pmFreeResult(3) for further details.

       pmFetchArchive returns zero on success.

SEE ALSO

       PMAPI(3), pmFetch(3), pmFreeResult(3), pmNewContext(3), pmSetMode(3) and pmTrimNameSpace(3).

DIAGNOSTICS

       PM_ERR_NOTARCHIVE
	      the current PMAPI context is not associated with an archive log

Performance Co-Pilot							PCP							 PMFETCHARCHIVE(3)