Goal:
From my backup box on my local network, knowing the Wifi MAC address of my laptop, I would like to dynamically identify which ip address is attributed to my laptop.
The aim is to store this ip address in a local variable and that this information is retrieved by another backup script
Problem:
Calling the command nmap, as root user I want to write a script that will extract the ip address from the MAC address of my laptop.
Question:
How would you do that and with which script language?
Shell, perl, python?
Example:
from the result of nmap and with the MAC address X1:X2:3X:X4:X5:Y6, I want to extract:
Many thanks for any input!
Keep up the good work.
Cheers,
Last edited by Scrutinizer; 10-30-2014 at 05:57 AM..
Reason: code tags
Where do you get the string "Laptop-Fred"?
And do you want to extract the IP from the output of nmap?
Does the mac X1:X2:3X:X4:X5:Y6 corresponds to 192.168.0.10?
2. Laptop-Fred was in my mind a shell variable, call it var_laptop_1 if this is better and this vari2ble would have to store the ip address 192.168.0.10 of the laptop we are trying to identify
3. From the result of nmap in this dhcp configuration the mac address X1:X2:3X:X4:X5:Y6 corresponds to 192.168.0.10
There doesn't seem to be a relation between laptop-1 or laptop_fred and the MAC address given. So how should any command/program/script select 192.168.0.10 instead of 192.168.0.1 to place into your variable?
---------- Post updated at 11:58 ---------- Previous update was at 11:54 ----------
Well, I think there is a relation:
The ip address associated to the MAC address
is the ip address 2 lines above the MAC address.
But how to extract this with a script?
Maybe should I first change the output of nmap?
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