Re: Where to learn Google script
I've been doing some work recently in this area myself.
The perfect place to start is here: https://developers.google.com/adwords/scripts/
I would also take a look here on this community (search for scripts and pay close attention to posts from @Jon_Gritton ) and also take a look at the scripts forum here: https://groups.google.com/forum/#!forum/adwords-scripts
If you run a few Google searches, you'll find a number of resources for pre-made scripts as well.
What I've found is taking a simple one, installing it, seeing how it all works and then reverse engineering it helps.
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