Remove specifed IP from denyhosts Worked ubuntu 12.04

denyhosts-remove-ip.sh

#!/bin/bash
echo Removing $1 from denyhosts tables
WORK_DIR=/var/lib/denyhosts/
IP=`echo $1 | sed 's/\./\\\\./g'`
service denyhosts stop
eval "sed -i /$IP/d /etc/hosts.deny"
eval "sed -i /$IP/d ${WORK_DIR}hosts"
eval "sed -i /$IP/d ${WORK_DIR}hosts-restricted"
eval "sed -i /$IP/d ${WORK_DIR}hosts-root"
eval "sed -i /$IP/d ${WORK_DIR}hosts-valid"
eval "sed -i /$IP/d ${WORK_DIR}users-hosts"
echo $1 >> ${WORK_DIR}allowed-hosts
service denyhosts start