How do you force pdf indexing

If I open a document in the backend, go to the indexed content tab, and save the document, it does get indexed correctly.
However, I have a large number of documents that need indexing. It has not happened automatically in the past 24 hours.
Is there a way to run the indexer so that it indexes all documents in the edocuments directory?
John from Canada

Hi John,
The PDF Indexer plugin of Edocman can only be used to index one PDF file at one time. It doesn't have option to index a batch of documents at one time. If you need a tool that can be used to index a batch of PDF files, you can use PDF Indexer extension of us: joomdonation.com/joomla-extensions/joomla-pdf-indexer.html
Thanks
Dam