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Top Forums Shell Programming and Scripting help with script Alert log not update every time. Post 302526270 by itkamaraj on Tuesday 31st of May 2011 04:55:50 AM
Old 05-31-2011
Try this.. not tested...

Code:
#! /bin/bash
logFiles="log1.log log2.log"
logLocation="/usr/home/test/log/"
sleepTime=60

failMessage=":: not update file size "
successMessage="OK"
not_updated_time=0
arr=($logFiles)
arrlen=${#arr[@]}
arrcount=()
date
for ((count=0; count<arrlen; count++)) ; do
    arrcount[$count]=`ls -l  $logLocation${arr[$count]}  |awk '{print $5}'`
    echo "${arr[$count]} Original size :: ${arrcount[$count]}"
done
echo
while [ "e" == "e" ] ; do 
    sleep $sleepTime
    date
    for ((count=0; count<arrlen; count++)) ; do
        nc=`ls -l  $logLocation${arr[$count]}  |awk '{print $5}'`
        echo -n "${arr[$count]} "
        if [ $nc == ${arrcount[$count]} ] ; then
   not_updated_time=`echo $not_updated_time + 1 | bc`
            echo $failMessage " " $not_updated_time " minute."
        else
            arrcount[$count]=$nc
            echo $successMessage
   not_updated_time=0
        fi
    done
    echo
done

 

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LOG(3)							   BSD Library Functions Manual 						    LOG(3)

NAME
log, log2, log10, log1p, -- logarithm functions SYNOPSIS
#include <math.h> double log(double x); double log2(double x); double log10(double x); double log1p(double x); DESCRIPTION
The log() function computes the value of the natural logarithm of argument x. The log2() function computes the value of the logarithm of argument x to base 2. The log10() function computes the value of the logarithm of argument x to base 10. The log1p() function computes the value of log(1+x) accurately even for very small values of x. SPECIAL VALUES
log(+-0) , log2(+-0) , and log10(+-0) return -infinity and raise the "divide-by-zero" floating-point exception. log(1) , log2(1) , and log10(1) return +0. log(x) , log2(x) , and log10(x) return a NaN and raise the "invalid" floating-point exception for x < 0. log(+infinity) , log2(+infinity) , and log10(+infinity) return +infinity. log1p(+-0) returns +-0. log1p(-1) returns -infinity and raises the "divide-by-zero" floating-point exception. log1p(x) returns a NaN and raises the "invalid" floating-point exception for x < -1. log1p(+infinity) returns +infinity. SEE ALSO
math(3), exp(3), exp2(3), expm1(3), pow(3), infnan(3) STANDARDS
The log() , log2() , log10() , and log1p() functions conform to ISO/IEC 9899:1999(E). 4th Berkeley Distribution July 2, 2003 4th Berkeley Distribution
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