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Topic: Re: Library to extract text from PDFs?
Conf: (P-PDF) Developers, Msg: 57643
From: LeonardR
Date: 5/29/2002 05:27 PM

At 1:02 AM -0400 9/12/00, p-pdf-developer Listmanager wrote:
>Is there a library -- $ware or freeware, COM/DLL or source code,
>that we can use from our WinNT-based Web applications to extract the
>text from PDFs for indexing purposes?

I believe that the PDFToolkit from ActivePDF
() supports text extraction, and it's a
COM/ActiveX component. If that doesn't work for you, SPDF is a "high
end" C/C++ PDF library from Digital Applications
() that WILL do this.

Other options include running command line applications like
pdftext (part of Xpdf - ) or
Ghostscript (). And I believe there is
a Perl module (Text::PDF) that will do this.


>We don't care about layout, we don't care about order, we don't care
>about structure. We just want "the words", quickly, easily, and
>efficiently.

Well, even to just get "words", you still have to do work
because some PDF creation tools will break up words into multiple
draw operations in order to achieve things like kerning.


Leonard
--
----------------------------------------------------------------------------
Leonard Rosenthol
Sr. Software Engineer (215) 922-3509 (voice)
Digital Applications (215) 440-0504 (fax)

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