How do I configure a tool like wireshark, kismet, tcpdump to passively listen to wifi traffic?How do I get one of these tools to print these MAC addresses to stdout? I want just one MAC address per line. I want them to print each MAC address they detect, I don't care whether they detected that certain address before. 
How to print all MAC addresses of devices interacting with wifis in my area to stdout
wifi;stdout;tcpdump;mac address;wireshark