refactor: udpate-readme

README.md

@@ -27,27 +27,27 @@ You easily add a custom source via the [plugin configuration](#configuration). T
 <!-- INFO use `make update_readme` to automatically update this section -->
 <!-- auto-generated: start -->
 ### Rule Lookup
-- `selene`
-- `pylint`
-- `yamllint`
-- `stylelint`
 - `Lua Diagnostics`
 - `eslint`
 - `shellcheck`
 - `biome`
+- `selene`
+- `pylint`
+- `yamllint`
+- `stylelint`
 
 ### Add Ignore Comments
-- [selene](https://kampfkarren.github.io/selene/usage/filtering.html#allowingdenying-lints-for-an-entire-file)
-- [pylint](https://pylint.readthedocs.io/en/latest/user_guide/messages/message_control.html)
-- [yamllint](https://yamllint.readthedocs.io/en/stable/disable_with_comments.html)
-- [Pyright](https://microsoft.github.io/pyright/#/comments)
-- [stylelint](https://stylelint.io/user-guide/ignore-code/)
 - [eslint](https://eslint.org/docs/latest/use/configure/rules#using-configuration-comments-1)
 - [LTeX](https://valentjn.github.io/ltex/advanced-usage.html)
 - [shellcheck](https://www.shellcheck.net/wiki/Ignore)
 - [biome](https://biomejs.dev/linter/#ignoring-code)
 - [vale](https://vale.sh/docs/topics/config/#markup-based-configuration)
 - [typescript](https://www.typescriptlang.org/)
+- [selene](https://kampfkarren.github.io/selene/usage/filtering.html#allowingdenying-lints-for-an-entire-file)
+- [pylint](https://pylint.readthedocs.io/en/latest/user_guide/messages/message_control.html)
+- [yamllint](https://yamllint.readthedocs.io/en/stable/disable_with_comments.html)
+- [Pyright](https://microsoft.github.io/pyright/#/comments)
+- [stylelint](https://stylelint.io/user-guide/ignore-code/)
 <!-- auto-generated: end -->
 
 ## Installation

lua/rulebook/update-readme.lua

@@ -1,5 +1,7 @@
 -- INFO has to be run from lua subdirectory when called via `nvim -l`
 -- `cd lua && nvim -l rulebook/update-readme.lua`
+-- (it is not indented to be used for other purposes)
+--------------------------------------------------------------------------------
 
 -- CONFIG
 local readmePath = "../README.md" -- relative to lua directory
@@ -18,26 +20,12 @@ local function writeToFile(filePath, str)
 	file:close()
 end
 
----read the full file
----@param filePath string
----@nodiscard
----@return string|nil nil on error
-local function readFile(filePath)
-	local file, _ = io.open(filePath, "r")
-	if not file then return end
-	local content = file:read("*a")
-	file:close()
-	return content
-end
-
 --------------------------------------------------------------------------------
 
-local readmeContent = assert(readFile(readmePath), "README.md not found")
-
 -- remove old lines
 local beforePart, afterPart = {}, {}
 local removeActive = nil
-for line in readmeContent:gmatch("(.-)[\r\n]") do
+for line in io.lines(readmePath) do
 	if removeActive == nil then table.insert(beforePart, line) end
 	if removeActive == false then table.insert(afterPart, line) end
 	if line == markerStart then