Get return value of a command with AppleScript (to get IP address and use as a string)
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I am trying to get the current local IP address using AppleScript so that I can use this to form a URL string, like so:

    "http://" & ip & ":8080"

Research has lead me to this command which will return the correct IP:

    ifconfig en0|grep "inet "|cut -d ' ' -f 2

I need to save the value of that command so that I can use it in my AppleScript. How can I achieve this? Or is there a better way to get the IP?