Dear Vihang The script works perfectly after I modified it as you mentioned. Thanks a lot. Regards Vidyadutt. You can avoid it by changing the about code to..
for RECORD in `cat tst|awk '{print NF}'`;
do
if [ $RECORD -ne $FIELDS ]; then
NM_CNT=$(($NM_CNT+1))
printf "NM_CNT=$NM_CNT\n"
fi
done
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