I am new to the community and this is my first question, I hope I am doing it correctly.
My question: I am learning some networking and analysis and have a very long list of MAC addresses that I want to put in the same sentence using the command line but I do not know how.
Example: MAC addresses:
xx:xx:xx:xx:xx:xx:xx:xx
yy:yy:yy:yy:yy:yy:yy:yy
zz:zz:zz:zz:zz:zz:zz:zz
The output I need:
The mac address xx:xx:xx:xx:xx:xx:xx:xx is not found - but...
The mac address yy:yy:yy:yy:yy:yy:yy:yy is not found - but...
The mac address zz:zz:zz:zz:zz:zz:zz:zz is not found - but...
How can I achieve this?
I hope you have the time to help and excuse my ignorance, I am still learning and wouldn't ask if I didn't spend some time searching. I saw people using sed, awk, and perl but I understood nothing sense the whole linux world is new for me. Please provide me with some explanation with the commands so I learn how to do it myself for the next time.