Network Services and IPs

I have long had a GeekTool item on my desktop that tells me what network interfaces were active and what IPs I have on them, as well as my external IP address.  For a long time this relied on ifconfig and manually updating the interface numbers (en0, en1, etc…).  Now that I have a Retina MBP, without an ethernet port, I have a lot of possible interfaces with the various adapters.  Managing the script manually was getting annoying.  So I rewrote it to use networksetup and a while loop.   Continue reading

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