Or simply brute-force it: Try to unrar everything that looks like a valid rar file every X minutes, again and again. Setup a cron task. And if/when the unrar is successful, have the script move the unrared files away.
Or simply brute-force it: Try to unrar everything that looks like a valid rar file every X minutes, again and again. Setup a cron task. And if/when the unrar is successful, have the script move the unrared files away.