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Full Discussion: Check log file size every 10 minute. Alert if log not update
Top Forums Shell Programming and Scripting Check log file size every 10 minute. Alert if log not update Post 302763669 by mstafreshi on Wednesday 30th of January 2013 10:02:24 AM
Old 01-30-2013
this is a simple script . can it help find your way ?
Code:
os=ofs #old size
logFile=logFile

# test log file exists !
test -r $logFile || { echo "can't open $logFile"; 1>&2; exit 1; }

# get current log file size !
cfs=`ls -l $logFile | awk '{print $5}'`

# test to see file that keeps old size exists !
test -r $os || { echo 'not changed' 1>&2; echo $cfs>$os; exit 1; }

# old file size is empty !
if test `ls -l $os | awk '{print $5}'` -eq 0
then
        echo 'not changed' 1>&2;
        exit 1;
fi

oldsize=`sed -n '1,1p' $os`

if test $oldsize -eq $cfs
then
        echo 'not changed' 1>&2
else
        echo 'changed' 1>&2
fi

echo $cfs >$os

certainly above code with its structure can be write better and more efficient . i wrote it very quickly with my limited skill .
 

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LEARN ABOUT DEBIAN

storebackupupdatebackup

STOREBACKUPUPDATEBACKUP(1)				User Contributed Perl Documentation				STOREBACKUPUPDATEBACKUP(1)

NAME

       storeBackupUpdateBackup.pl - updates / finalizes backups created by storeBackup.pl with option --lateLink, --lateCompress

SYNOPSIS

	       storeBackupUpdateBackup.pl -b backupDirectory [--autorepair]
		     [--print] [--verbose] [--debug] [--lockFile] [--noCompress]
		     [--progressReport number] [--checkOnly]
		     [--logFile
		      [--suppressTime] [-m maxFilelen]
		      [[-n noOfOldFiles] | [--saveLogs]]
		      [--compressWith compressprog]]

	       storeBackupUpdateBackup.pl --interactive --backupDir topLevlDir
		     [--autorepair] [--print]

WARNING

	 !!! USAGE IN PARALLEL WITH storeBackup.pl CAN DESTROY YOUR BACKUPS !!!

OPTIONS

       --interactive, -i
		   interactive mode for reparing / deleting currupted
		   backups created with option '--lateLinks'

       --backupDir, -b
		   top level directory of all backups (must exist)

       --autorepair, -a
		   repair simple inconsistencies automatically without
		   requesting the action

       --print
		   print configuration read from configuration file and stop

       --verbose, -v
		   verbose messages

       --debug, -d
		   generate detailed information about the files
		   with the linking information in it

       --lockFile, -L
		   lock file, if exist, new instances will finish if
		   an old is already running
		   If set to the same file as in storeBackup it will
		   prevent $prog from running in parallel
		   to storeBackup, default is $lockFile

       --noCompress
		   maximal number of parallel compress operations,
		   default = chosen automatically

       --checkOnly -c
		   do not perform any action, only check consistency

       --progressReport
		   print progress report:

	       after each 'number' files when compressing
	       after each 'number * 1000' files when linking
	       after each 'number * 10000' files when performing chmod
       --logFile, -l
		   logFile, Default: stdout

       --suppressTime
		   suppress output of time in logfile

       --maxFilelen, -m
		   maximal length of log file, default = 1e6

       --noOfOldFiles, -n
		   number of old log files, default = 5

       --saveLogs
		   save log files with date and time instead of deleting the
		   old (with [-noOldFiles])

       --compressWith
		   compress saved log files (e.g. with 'gzip -9').
		   default is 'bzip2'

COPYRIGHT

       Copyright (c) 2008,2012 by Heinz-Josef Claes.  Published under the GNU General Public License v3 or any later version

perl v5.14.2							    2012-06-16						STOREBACKUPUPDATEBACKUP(1)
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