#!/bin/bash

cat macs | tr [A-Z] [a-z] > macs2

for nr in {01..30}; do
 mac=$(awk 'NR=='$nr'' macs2)
 echo " host ikt-$nr {"
 echo "         hardware ethernet $mac;" 
 nr=$(echo $nr | sed -e 's/^0*//')
 nnr=$(($nr+60))
 echo "         fixed-address 192.168.100.$nnr;"
 echo "         }"
 echo " "
done