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From: =?UTF-8?B?TWF0aGlhcyBLxZFyYmVy?= <mathias@koerber.org>
Newsgroups: comp.sys.mac.system
Subject: Re: /etc/ppp/ip-up: how to distinguish service?
Date: Mon, 18 Aug 2014 20:44:01 +0800
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> I have one Location where I want to route everything over the VPN, 
> another where I don't.  I check which Location is active in ip-up:
> 
>          location=`/usr/sbin/scselect 2>&1 | /usr/bin/grep '^ \* ' |\
>                  /usr/bin/sed -e 's/^.*(//' -e 's/).*$//'`

Thanks. That might work but requires me to change the location, which
I have other things tied to..

I just found that one do what I want in AppleScript:

#!/usr/bin/osascript
tell application "System Events"
    tell current location of network preferences
        get name of every service whose (kind is equal 12) and connected
of current configuration is true
    end tell
end tell

which can then be called from /etc/ppp/ip-up