#! /bin/bash


logFiles="log1.log log2.log"
logLocation="/usr/home/test/log/"
sleepTime=60


failMessage=":: Log not running :: Pls Check Service"
successMessage="OK"

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
            echo $failMessage
        else
            arrcount[$count]=$nc
            echo $successMessage
        fi
    done
    echo
done

Fri Mar 11 02:09:28 ICT 2011
log1.log Original size :: 262311887
log2.log Original size :: 236930257

Fri Mar 11 02:10:28 ICT 2011
log1.log  OK
log2.log  OK

Fri Mar 11 02:12:28 ICT 2011
log1.log  OK
log2.log  :: Log not running :: Pls Check Service

If. log2.log not update

Fri Mar 11 02:14:28 ICT 2011
log1.log OK
log2.log not update file size.

Fri Mar 11 02:15:28 ICT 2011
log1.log OK
log2.log not update file size 1 minute.

Fri Mar 11 02:16:28 ICT 2011
 log1.log OK
 log2.log not update file size 2 minute.

Fri Mar 11 02:17:28 ICT 2011
 log1.log OK
 log2.log not update file size 3 minute.
.
.
.
.
.
.
Fri Mar 11 02:37:28 ICT 2011
  log1.log OK
  log2.log not update file size 33 minute.