- autocmd check filename in vim?
- autocmd VimEnter * if % is "preamble" | Explore | endif
- autocmd VimEnter * if %=="preamble" | Explore | endif
- autocmd VimEnter * if &filename == "preamble" | Explore | endif
- autocmd VimEnter * if @% == 'preamble' | echo 'hello' | else | echo 'world' | endif
- autocmd BufRead,BufNewFile preamble Explore