MAX_IPADD=101
MAX_COUNT=88

IPADD=1
COUNT=1

while read mac_addr
do

if [ ${IPADD} -gt ${MAX_IPADD} ]
then
        break;
else
{
echo "host somehost${COUNT} {
option host-name somehost${COUNT};
hardware ethernet ${mac_addr}
fixed-address 192.168.100.${IPADD};
{"
} >> output.txt

IPADD=`expr ${IPADD} + 1`
COUNT=`expr ${COUNT} + 1`
fi

done < MAC.txt