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path: root/.config/nvim/plugin/50-lorem.lua
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--
-- Lorem plugin (command to insert "lorem ipsum" words)
--

-- Returns lorem ipsum words
local function iter_lorem()
	local filename = vim.env.HOME .. "/.local/share/dotfiles/lorem.txt"
	local file = assert(io.open(filename, "r"))
	local string = file:read("*all")
	io.close(file)
	local lorem_words = vim.split(vim.trim(string), " ", { trimempty = true })
	local i = 0
	return function()
		i = i % #lorem_words + 1
		return lorem_words[i]
	end
end

-- Returns a n words long "lorem ipsum" string
local function get_lorem(n)
	local iter = iter_lorem()
	local words = {}
	for i = 1, n do
		words[i] = iter()
	end
	return table.concat(words, " ")
end

local function put_lorem(n)
	vim.api.nvim_put({ get_lorem(n) }, "c", true, true)
end

vim.api.nvim_create_user_command("Lorem", function(opts)
	put_lorem(tonumber(opts.args))
end, { desc = "Put lorem ipsum string", nargs = 1 })