Short link extractor for Friendfeed archives

collect-links.php

<?php

if ($argc !== 2) {
  echo "Usage:\n";
  echo "php collect-links.php /ARCHIVES/FOLDER > links.txt\n";
  exit;
}

$archFolder = realpath($argv[1]);
if (!is_dir($archFolder)) {
  echo "Usage:\n";
  echo "php collect-links.php /ARCHIVES/FOLDER > links.txt\n";
  exit;
}

$dirNames = scandir($archFolder);

foreach ($dirNames as $dirName) {
  if ($dirName === ".." || $dirName === ".") {
    continue;
  }
  $linksDir = $archFolder."/".$dirName."/links/ff.im";
  if (!file_exists($linksDir)) {
    continue;
  }

  foreach (scandir($linksDir) as $file) {
    if (!preg_match('/^(\w+)\.json$/', $file, $m)) {
      continue;
    }

    $json = json_decode(file_get_contents($linksDir."/".$file));
    if ($json->errorCode) {
      continue;
    }

    echo $m[1]."\t".substr($json->id, 2, 8)."\n";
  }
}