Logfile Size exceeded ???? - Shell Programming and Scripting

skyineyes · #1 01-18-2008

Hi,

How to write a script which checks the size of a log file?
I want that the log file contents to get cleared as soon as it increases 1 KB.

Thanks

Franklin52 · #2 01-18-2008

You can do something like:

Code:

#!/bin/ksh

used=`du -b logfile|awk '{print $1}'`
if [ "$used" -gt 1024 ]; then
  # do your stuff here
fi

Regards

skyineyes · #3 01-18-2008

ThanQ Franklin !!!

Quote:

Originally Posted by Franklin52

You can do something like:

Code:

#!/bin/ksh

used=`du -b logfile|awk '{print $1}'`
if [ "$used" -gt 1024 ]; then
  # do your stuff here
fi

Regards

Rajesh Kumar · #4 01-18-2008

#! /usr/bin/ksh

interval=900 ## check for logfile size once in this much seconds

while true ; do
size_of_file=`ls -l logfile | awk '{ print $5}'`

if [ ${size_of_file} -ge 1024 ]
then
datestamp=`date "+%m%h%Y_%H%M%S"
cp logfile /archive/logfile.${datestamp} ## take an archive
cp /dev/null logfile
fi
sleep $interval

done

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