2 function mac_address_part() {
3 hex_number=$(printf '%02x' $RANDOM)
4 number_length=${#hex_number}
5 number_start=$(expr $number_length - 2)
6 echo ${hex_number:$number_start:2}
9 function mac_address() {
10 echo "'00:00:$(mac_address_part):$(mac_address_part):$(mac_address_part):$(mac_address_part)'"
17 if [[ -z $machines ]]; then
20 machines="${machines} ${mac}"