require"http" if not arg or not arg[1] or not arg[2] then print("luasocket cddb.lua []") os.exit(1) end local server = arg[3] or "http://freedb.freedb.org/~cddb/cddb.cgi" function parse(body) local lines = string.gfind(body, "(.-)\r\n") local status = lines() local code, message = socket.skip(2, string.find(status, "(%d%d%d) (.*)")) if tonumber(code) ~= 210 then return nil, code, message end local data = {} for l in lines do local c = string.sub(l, 1, 1) if c ~= '#' and c ~= '.' then local key, value = socket.skip(2, string.find(l, "(.-)=(.*)")) value = string.gsub(value, "\\n", "\n") value = string.gsub(value, "\\\\", "\\") value = string.gsub(value, "\\t", "\t") data[key] = value end end return data, code, message end local host = socket.dns.gethostname() local query = "%s?cmd=cddb+read+%s+%s&hello=LuaSocket+%s+LuaSocket+2.0&proto=6" local url = string.format(query, server, arg[1], arg[2], host) local body, headers, code, error = socket.http.get(url) if code == 200 then local data, code, error = parse(body) if not data then print(error or code) else for i,v in data do io.write(i, ': ', v, '\n') end end else print(error) end