path_util.lua

local path_util = {}

---@param s string
---@param c string?
---@return string
function path_util.fix_illegal(s, c)
	return (s:gsub('[/\\?%*:|"<>]', c or "_"))
end

---@param ... string?
---@return string
function path_util.join(...)
	local t = {}
	for i = 1, select("#", ...) do
		local p = select(i, ...)
		if p then
			p = tostring(p):gsub("\\", "/"):gsub("/[^/]-/%.%./", "/")
			table.insert(t, p)
		end
	end
	return table.concat(t, "/")
end

---@param name string
---@param lower boolean?
---@return string?
function path_util.ext(name, lower)
	local ext = name:match("^.+%.(.-)$")
	if ext and lower then
		ext = ext:lower()
	end
	return ext
end

return path_util