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How to trim trailing whitespace in all files except diffs in Neovim
Problem
I would like to trim trailing whitespace on save in all files except .diffs using Neovim.
Have
vim.api.nvim_create_autocmd({ "BufWritePre" }, {
pattern = { "*" },
command = [[%s/\s\+$//e]],
})
Source: https://vi.stackexchange.com/a/37427
Want
Something succinct like this would be great and easy to modify:
vim.api.nvim_create_autocmd({ "BufWritePre" }, {
pattern = { "*", "^(*.diff)" },
command = [[%s/\s\+$//e]],
})
Notes
I'm not sure if what I have is the most correct form to begin with. Searching
h:nvim_create_autocmd() in the neovim docs takes me to Autocmd
Functions and does not
mention use of double brackets ([[) in the command.
Improvements to the overall approach welcome.
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