btmp iptables drop

gistfile1.txt

#!/bin/bash
TODAY=`date +'%b %e'`
WINNERS=`sudo lastb -a -10000 | grep "$TODAY" | awk '{print $10}' | sort | uniq -c| sort -n | tail -10`
echo WINNERS for $TODAY
OLDIFS="$IFS"
IFS=$'\n'
for i in $WINNERS
do
  echo $i
  i2=$(echo -e "${i}" | sed -e 's/^[[:space:]]*//')
  count=$(echo $i2 | cut -f1 -d' ')
  badhost=$(echo $i2 | cut -f2 -d' ')
  if [[ $count -ge 200 ]]
  then
    echo iptables -A INPUT -s $i -j DROP
  fi
done
IFS="$OLDIFS"