echo "S: Skip\n";
     continue;
 }
 // Source Path
 $S->setPath($path['name']);
 $src_path_stat = $S->pathStat();
 // print_r($src_path_stat);
 if (empty($src_path_stat['mail_count'])) {
     echo "S: Skip {$src_path_stat['mail_count']} messages\n";
     continue;
 }
 echo "S: {$src_path_stat['mail_count']} messages\n";
 // Target Path
 $tgt_path = _path_map($path['name']);
 echo "T: Indexing: {$tgt_path}\n";
 $T->setPath($tgt_path);
 // Creates if needed
 // Show info on Target
 $tgt_path_stat = $T->pathStat();
 echo "T: {$tgt_path_stat['mail_count']} messages\n";
 // Build Index of Target
 $tgt_mail_list = array();
 for ($i = 1; $i <= $tgt_path_stat['mail_count']; $i++) {
     $mail = $T->mailStat($i);
     if (array_key_exists('message_id', $mail)) {
         $tgt_mail_list[$mail['message_id']] = !empty($mail['subject']) ? $mail['subject'] : "[ No Subject ] Message {$i}";
     }
 }
 for ($src_idx = $src_path_stat['mail_count']; $src_idx >= 1; $src_idx--) {
     $stat = $S->mailStat($src_idx);
     $stat['answered'] = trim($stat['Answered']);