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-none-

-none-

2007-10-07       - By Leonard Rosenthol

 Back
Why would using this approach fail on a PDF that is locked with a  
password?  In order to print the PDF, you have to have the ability to  
READ it ;).  And if you can read it in order to print it, you can  
read it to just read it...Right?

Leonard


On Oct 7, 2007, at 11:05 AM, wasegraves@(protected) wrote:

> If the PDF is locked with a password, but still printable, the  
> approach offered by this author is one that would work, while  
> attempting to use this approach on the original PDF would fail.  
> This author was simply trying to help the poster with an approach  
> that would avoid the frustration that would ensue if he tried to  
> work with an original locked PDF.
>
>
> Of course, the approach espoused by the esteemed sage would be  
> easier, for both unlocked and unlocked PDFs. OTOH, this author  
> doesn't count easier to fail as an acceptable approach.
>
>
> Cheers,
>
> Bill Segraves
>
> -- ---- ------ Original message from Leonard Rosenthol  
> <leonardr@(protected)>: -- ---- ------
>
>
> > Why would working through the PostScript be easier than doing  
> this on
> > the original PDF?
> >
> > You can get to all the PDF operators just fine.
> > Font & text information is more easily referenceable from the PDF
> > PostScript also has "XObjects", Patterns, etc. that may contain  
> text.
> > etc.
> >
> > Not understanding the logic :(.
> >
> > Leonard
> >
> >
> > On Oct 6, 2007, at 4:53 PM, wasegraves@(protected) wrote:
> >
> > > Yes; but it is not practicable with iText. You could, however, as
> > > long as the PDF is printable, use the following procedure:
> > >
> > > 1. Print to a PS file.
> > >
> > > 2. Scan the PS file from step1 above, droppin g all lines that
> > > do not end with Tj or TJ.
> > >
> > > 3. Use a regular expression (together with Substitution or
> > > Match) to extract the instances of "text fragment" from within
> > > multiple instances of "(text fragment)Tj", printing the resulting
> > > text fragments to STDOUT.
> > >
> > > Bruno has given an excellent example of why you should not expect
> > > the resulting output to make sense, i.e., the text fragments may
> > > not appear in the order in which you'd like for them to appear.
> > >
> > > Cheers,
> > >
> > > Bill Segraves
> > >
> > > -- ---- ------ Original message from krammark
> > > : -- ---- ------
> > >
> > >
> > > >
> > > > so , how we read the data from pdf ?
> > > > i mean , can we read them line by line from the specific pages ?
> > & gt; &g t;
> > > > thanks buddy.
> > > >
> > > >
> > > > Bruno Lowagie (iText) wrote:
> > > > >
> > > > > krammark wrote:
> > > > >> hey gusy,
> > > > >> do u guys have a idea how to read the data from pdf pages
> > > using itext ?
> > > > >> basically, i want to read the data from table and write them
> > > into excel
> > > > >> files.
> > > > >> is that possible ?
> > > > >
> > > > > There is no such thing as 'a table' in plain PDF.
> > > > > It's just lines and words painted on a canvas,
> > > > > possible in an arbitrary order.
> > > > >
> > > > > Unless your tables cells are form fields, or your
> > > > ; > PDF contains specific table structures (Tagged PDF),
> > > > > iText probably won't help you.
> & gt; > > >
> > > > > br,
> > > > > Bruno
> > > > >
> > > > >
> > >  
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> > > ---
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> > > > > iText-questions mailing list
> > > > > iText-questions@(protected)
> > > > > https://lists.sourceforge.net/lists/listinfo/itext-questions
> > > > > Buy the iText book: http://itext.ugent.be/itext-in-action/
> > > > >
> > > > >
> > > >
> > > > --
> > > > View this message in context:
> > > > http://www.nabble.com/u-guys-konw -how-t o-read-the-data-from-
> pdf-
> > > using-java-itext
> > > > ---tf4572506.html#a13067937
> > > > Sent from the iText - General mailing list archive at  
> Nabble.com.
> > > >
> > > >
> > > >
> > >  
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> > > ---
> > > > This SF.net email is sponsored by: Splunk Inc.
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> > > > iText-questions mailing list
> > > > iText-questions@(protected) rge.ne t
> > > > https://lists.sourceforge.net/lists/listinfo/itext-questions
> > > > Buy the iText book: http://itext.ugent.be/itext-in-action/
> > >  
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> > > ---
> > > This SF.net email is sponsored by: Splunk Inc.
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> > > Now Search log events and configuration files using AJAX and a
> > > browser.
> > > Download your FREE copy of Splunk now >> http://get.splunk.com/
> > > __ ____ ____ ____ ____ ____ ____ ____ ____ ____
> > > iText-questions mailing list
> > > iText-questions@(protected)
> > > https://lists.sourceforge.net/lists/listinfo/itext-questions
> > > Buy the iText book: http://itext.ugent.be/itext-in-action/
> >
> >
> >  
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> ---
> & gt; Th is SF.net email is sponsored by: Splunk Inc.
> > Still grepping through log files to find problems? Stop.
> > Now Search log events and configuration files using AJAX and a  
> browser.
> > Download your FREE copy of Splunk now >> http://get.splunk.com/
> > __ ____ ____ ____ ____ ____ ____ ____ ____ ____
> > iText-questions mailing list
> > iText-questions@(protected)
> > https://lists.sourceforge.net/lists/listinfo/itext-questions
> > Buy the iText book: http://itext.ugent.be/itext-in-action/
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> ---
> This SF.net email is sponsored by: Splunk Inc.
> Still grepping through log files to find problems?  Stop.
> Now Search log events and configuration files using AJAX and a  
> browser.
> Download your FREE copy of Splunk now >> http://get.splunk.com/
> __ ____ ____ ____ ____ ____ ____ ____ ____ ____
> iText-questions mailing list
> iText-questions@(protected)
> https://lists.sourceforge.net/lists/listinfo/itext-questions
> Buy the iText book: http://itext.ugent.be/itext-in-action/


-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----
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