commandlinefu.com is the place to record those command-line gems that you return to again and again.
You can sign-in using OpenID credentials, or register a traditional username and password.
Subscribe to the feed for:
List all MAC addresses on a Linux box. sort -u is useful when having virtual interfaces.
There are 5 alternatives - vote for the best!
Requires sysfs mounted on /sys - may only be useful for Linux systems.
Could also use "printf '%-8s %s\n' $(basename $f) $(cat $f/address)" instead of echo.
No need for the ls -r and a sort is also not really needed.
If you can do better, submit your command here.
You must be signed in to comment.