Re: writing while reading

> Function chat2file($filename, $str) { > $fp = fopen("chats/$filename", "a"); > fputs($fp, $str); > close($fp); > } So long as $str is less than, errr, 8K?, this is good on Linux, as the append will be atomic. You would want flock here if it's not Linux, or if it wasn't "a". > Function file2chat($filename) { > if(file_exists("chats/$filename")) { > $fd = fopen("chats/$filename", "r"); > flock($fd, LOCK_UN); You don't need to lock for reading at all. You really don't care if 2 people read at once. Disclaimer: I *THINK* it's (Linux+append && <8K == atomic)... -- WARNING richard@zend.com address is an endangered species -- Use ceo@l-i-e.com Wanna help me out? Like Music? Buy a CD: http://l-i-e.com/artists.htm Volunteer a little time: http://chatmusic.com/volunteer.htm