colorcolum only in certain files (e.g. *.cpp, *.h) in VIM
vim
Solution
Vim doesn't directly use the file extension, it has an indirection called `filetype`, which is then used for syntax highlighting and specific settings.
Put your `:set` command (as `:setlocal`, so that it only affects the current buffer [1]) in a new file `~/.vim/after/ftplugin/cpp.vim`. (You could also use `:autocmd FileType cpp setlocal cc=120` directly in your `.vimrc`, but the separation is cleaner once you do a lot of that customization.)
[1] Note that `'colorcolumn'` is window-local, not buffer-local, so the approach isn't perfect, but usually good enough. It can be perfected with additional `BufWinEnter/Leave` autocmds.
Problem
I would like to have a marker at column 80 in VIM, but only in file like *.cpp, *.h. but not in *.txt For now I have this in my .vimrc ``` set cc=120 ``` Cheers Solution: ``` autocmd FileType cpp,c,cxx,h,hpp,python,sh setlocal cc=120 ```