*** file permisions: $VAR1 = bless( {
                 'uid' => 500,
                 'flags' => 15,
                 'mtime' => 1203350526,
                 'atime' => 1203350526,
                 'perm' => 33092,
                 'gid' => 500,
                 'size' => '0'
               }, 'Net::SFTP::Attributes' );