Further work on simplifying the use of the ArcTool dict command so can use details even if don't list start and number of records 2

diff --git a/src/executables/ArcTool.php b/src/executables/ArcTool.php
index 6cf4047e0..08997717a 100755
--- a/src/executables/ArcTool.php
+++ b/src/executables/ArcTool.php
@@ -410,12 +410,13 @@ class ArcTool extends DictionaryUpdater implements CrawlConstants
         echo "====================================\n";
         $i = 0;
         $archive_file = $info['ARCHIVE_FILE'];
+        $is_old_index = $index->archive_info['VERSION'] < "3.2";
         foreach ($info['ROWS'] as $record) {
             if ($start_record < 0 || $record['PARTITION'] >= $start_record) {
                 echo "RECORD: $i\n";
                 echo "PARTITION: {$record['PARTITION']}\n";
                 echo "NUMBER OF DOCS: {$record['NUM_DOCS']}\n\n";
-                if ($index->archive_info['VERSION'] < "3.2") {
+                if ($is_old_index) {
                     $postings_offset = (empty($record['POSTINGS'])) ?
                         -1: $record['POSTINGS'];
                     $postings_len = (empty($record['LAST_BLOB_LEN'])) ?
@@ -436,9 +437,15 @@ class ArcTool extends DictionaryUpdater implements CrawlConstants
                     echo "By default list details of all postings\n";
                     var_dump($record['POSTINGS']);
                 } else if ($details) {
-                    $postings_entry = $index->dictionary->getArchive(
-                        $archive_file, $postings_offset,
-                        $postings_len);
+                    if ($is_old_index) {
+                        $postings_entry = $index->dictionary->getArchive(
+                            $archive_file, $postings_offset,
+                            $postings_len);
+                    } else {
+                        $postings_entry = $index->dictionary->getPostingsString(
+                            $record['PARTITION'], $postings_offset,
+                            $postings_len);
+                    }
                     $postings = $index->postings_tools->unpack($postings_entry);
                     $index->deDeltaPostingsSumFrequencies($postings);
                     var_dump($postings);