Get MD5 Checksum for Very Large Files

Question

I\'ve written a script that reads through all files in a directory and returns md5 hash for each file. However, it renders nothing for a rather large file. I assume that t

Answer 1

Make sure to use escapeshellarg ( http://us3.php.net/manual/en/function.escapeshellarg.php ) if you decide to use a shell_exec() or system() call. I.e.,

shell_exec('md5sum -b ' . escapeshellarg($filename));