| #!/bin/sh | |
| _SRC_HOST=$1 | |
| _DST_HOST=$2 | |
| _IP=`getent hosts ${_SRC_HOST}|cut -d' ' -f1` | |
| if [ -z ${_IP} ]; then | |
| echo "Cannot retreive IP for host mapping ${_SRC_HOST} -> ${_DST_HOST}" | |
| exit 1 | |
| fi | |
| _REGEX=".*[[:blank:]]${_DST_HOST}$" | |
| if grep -c -e "${_REGEX}" /etc/hosts > /dev/null 2>&1 ; then | |
| cp /etc/hosts /tmp/hosts | |
| sed -i "s/${_REGEX}/${_IP} ${_DST_HOST}/g" /tmp/hosts | |
| cp /tmp/hosts /etc/hosts | |
| else | |
| echo "${_IP} ${_DST_HOST}" >> /etc/hosts | |
| fi |