Change all associations from gedit to another application

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http://askubuntu.com – I started using Sublime Text 2 a week or so ago and I loved it so much I've spent $60 on it and now want to use it for everything. Gedit currently has ownership of most of the text file associations. I'd essentially like to replace any association to gedit with sublime-text-2. Any tips available on bulk association changing? (HowTos)