INI parser

ini.lua

function ini_parse(text)
	text = "[]\n"..text:gsub(";[^\n]*\n", ""); -- remove comments and add dummy section
	local result = {};
	local section = "";
	local lineno = 0;
	for line in text:gmatch("([^\n]+)") do
		lineno = lineno + 1;
		local block = line:match("^%[([^%]*)%]$");
		if block then
			section = block;
			result[section] = result[section] or {};
		else
			local k,v = line:match("^([^=]*)=(.*)$");
			if not k then return nil, "parse error on line "..lineno; end
			result[section][k] = v;
		end
	end
	return result;
end