How to switch between multiple vim configurations with a command or local vimrc files?

Question

I work in several groups, each of which has its own tab/indentation/spacing standards in C.

Is there a way to have separate selectable VIM configurations for each so

Answer 1

You can also put autocommands in your .vimrc which set specific options on a per-path basis.

au BufRead,BufNewFile /path/to/project1/* setl sw=4 et
au BufRead,BufNewFile /path/to/project2/* setl sw=3 noet