There might be cases when the document is presented only as a stream (without a copy on the local disk). To avoid the overhead of saving documents To the disk, GroupDocs.Parser enables To extract data from streams directly.
The following example shows how To load the document from the stream:
// Create the stream try (InputStream stream = new FileInputStream(Constants.SamplePdf)) { // Create an instance of Parser class with the stream try (Parser parser = new Parser(stream)) { // Extract a text inTo the reader try (TextReader reader = parser....data from PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, Emails and more...