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I have two one-liner scripts that write IP address and SSID to files in my Dropbox; I would like my Android phone to sync to Dropbox and read the IP and SSID and do stuff via Tasker if it's on the same network.

That said, I am looking for a way to execute the scripts whenever I'm connected to wifi.

Thanks very much for the help!

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possible duplicate of Execute a script after a VPN connection is started – enzotib Sep 18 '11 at 7:26
@enzotib - it's not exactly a duplicate, but that answer helped me out a lot. I'm still looking for a way to run a script pre-disconnect as well - basically I'm writing files to Dropbox based on the current network status of my laptop; before wireless shuts off I want to write to Dropbox and give it enough time to sync the changes to the cloud. – Dang Khoa Sep 18 '11 at 21:46

1 Answer

up vote 2 down vote accepted

I had to add the following to my /etc/network/interfaces:

auto wlan0
iface wlan0 inet dhcp

Then place a script in /etc/network/if-up.d/ and check if "$IFACE" = "wlan0".

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