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-none-

-none-

2007-10-06       - By wasegraves@(protected)

 Back
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, dropping 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 <wenwen_829@(protected)>: -- ----
-- ----


>
> so , how we read the data from pdf ?
> i mean , can we read them line by line from the specific pages ?
>
> 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.
> >
> > br,
> > Bruno
> >
> > -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----
> > 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/
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/u-guys-konw-how-to-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.
> 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/
<html>
<!-- BEGIN WEBMAIL STATIONERY -->
<head></head>
<body>
<!-- WEBMAIL STATIONERY noneset -->
<DIV></DIV>
<P>Yes; but it is not practicable with iText. You could, however, as long as
the PDF is printable, use the following procedure:</P>
<P>&nbsp;&nbsp;&nbsp;&nbsp; 1. Print to a PS file.</P>
<P>&nbsp;&nbsp;&nbsp;&nbsp; 2. Scan the PS file from step1 above, dropping all
lines that do not end with Tj or TJ.</P>
<P>&nbsp;&nbsp;&nbsp;&nbsp; 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.</P>
<P>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.</P>
<P>Cheers,</P>
<P>Bill Segraves<BR></P>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff
2px solid">-- ---- ------ Original message from krammark &lt;wenwen_829@(protected)
.com&gt;: -- ---- ------ <BR><BR><BR>&gt; <BR>&gt; so , how we read the data
from pdf ? <BR>&gt; i mean , can we read them line by line from the specific
pages ? <BR>&gt; <BR>&gt; thanks buddy. <BR>&gt; <BR>&gt; <BR>&gt; Bruno
Lowagie (iText) wrote: <BR>&gt; &gt; <BR>&gt; &gt; krammark wrote: <BR>&gt; &gt
;&gt; hey gusy, <BR>&gt; &gt;&gt; do u guys have a idea how to read the data
from pdf pages using itext ? <BR>&gt; &gt;&gt; basically, i want to read the
data from table and write them into excel <BR>&gt; &gt;&gt; files. <BR>&gt; &gt
;&gt; is that possible ? <BR>&gt; &gt; <BR>&gt; &gt; There is no such thing as
'a table' in plain PDF. <BR>&gt; &gt; It's just lines and words painted on a
canvas, <BR>&gt; &gt; possible in an arbitrary order. <BR>&gt; &gt; <BR>&gt;
&gt; Unless your tables cells are form fields, or your <BR>&gt
; &gt;
PDF contains specific table structures (Tagged PDF), <BR>&gt; &gt; iText
probably won't help you. <BR>&gt; &gt; <BR>&gt; &gt; br, <BR>&gt; &gt; Bruno
<BR>&gt; &gt; <BR>&gt; &gt; -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
-- ---- ---- ---- --- <BR>&gt; &gt; This SF.net email is sponsored by: Splunk
Inc. <BR>&gt; &gt; Still grepping through log files to find problems? Stop. <BR
>&gt; &gt; Now Search log events and configuration files using AJAX and a
browser. <BR>&gt; &gt; Download your FREE copy of Splunk now &gt;&gt; http:/
/get.splunk.com/ <BR>&gt; &gt; __ ____ ____ ____ ____ ____ ____ ____ ____ ____
<BR>&gt; &gt; iText-questions mailing list <BR>&gt; &gt; iText-questions@(protected)
.sourceforge.net <BR>&gt; &gt; https://lists.sourceforge.net/lists/listinfo
/itext-questions <BR>&gt; &gt; Buy the iText book: http://itext.ugent.be/itext
-in-action/ <BR>&gt; &gt; <BR>&gt; &gt; <BR>&gt; <BR>&gt; -- <BR>&gt; View this
message in context: <BR>&gt; http://www.nabble.com/u-guys-konw
-how-t
o-read-the-data-from-pdf-using-java-itext <BR>&gt; ---tf4572506.html#a13067937
<BR>&gt; Sent from the iText - General mailing list archive at Nabble.com. <BR>
&gt; <BR>&gt; <BR>&gt; -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
-- ---- ---- --- <BR>&gt; This SF.net email is sponsored by: Splunk Inc. <BR>&gt
; Still grepping through log files to find problems? Stop. <BR>&gt; Now Search
log events and configuration files using AJAX and a browser. <BR>&gt; Download
your FREE copy of Splunk now &gt;&gt; http://get.splunk.com/ <BR>&gt; __ ______
__ ____ ____ ____ ____ ____ ____ _____ <BR>&gt; iText-questions mailing list <BR
>&gt; iText-questions@(protected) <BR>&gt; https://lists.sourceforge
.net/lists/listinfo/itext-questions <BR>&gt; Buy the iText book: http://itext
.ugent.be/itext-in-action/ </BLOCKQUOTE>
<!-- END WEBMAIL STATIONERY -->

</body>
</html>

-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----
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/
__ ____ ____ ____ ____ ____ ____ ____ ____ ____
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https://lists.sourceforge.net/lists/listinfo/itext-questions
Buy the iText book: http://itext.ugent.be/itext-in-action/

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