Jasper van der Meulen asked:
Let's say you have one in your home-directory with the variable TM_ORGANIZATION
And when your at work you want the project-directories to have a file which also have TM_ORGANIZATION and have it override the one in your home-directory.
Sure: works fine (give it a try). James Gray posted about the way the various files supersede each other. See
http://blog.macromates.com/2011/git-style-configuration/
Cheers, Paul