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This is a convinient way to do it in scripts. You also want to rm the ip.php file afterwards
There are 2 alternatives - vote for the best!
Relies on ifconfig.me functioning. It's about as easy as it gets, and memorable to old geeks too.
It takes a few seconds until it has figured out your public ip address. You need to have 'curl' installed of course.
If you can do better, submit your command here.
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