Bandwidthd CDF File Processing

#! /bin/bash

user_array=`cat log.*.cdf  |cut -d , -f 1 |sort -u |xargs`

for B in $user_array
 do
c=2

echo -e "For the IP  $B"
echo "" > /tmp/port$$$
while [ $c -le 16 ]
     do
    cat log.*.cdf |grep $B |cut -d , -f $c |xargs >/tmp/ele$$$
    I=0
    for N in `cat /tmp/ele$$$`
    do
        I=`expr $I + $N`
    done
    echo $I >>/tmp/port$$$
        (( c++ ))
     done
     sleep 2
    echo -e "\t  `cat /tmp/port$$$ |xargs`"
done
   rm -rf *.cdf
    /etc/init.d/bandwidthd restart