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Full Discussion: Scanning a pdf file in Linux shell
Top Forums Shell Programming and Scripting Scanning a pdf file in Linux shell Post 302954948 by drl on Sunday 13th of September 2015 02:52:03 PM
Old 09-13-2015
Hi.

In reviewing this, I'm wondering if the OP was interested in the PDF meta-information. The fist and last lines of one rendition of a PFD looks like:
Code:
%PDF-1.1
1 0 obj
<<
/CreationDate (D:20150913125458)
/Producer (text2pdf v1.1 (\251 Phil Smith, 1996))
/Title (pdfgrep.txt)
   ---
/Root 2 0 R
/Info 1 0 R
>>
startxref
6452
%%EOF

In which case, a simple grep would probably suffice:
Code:
$ egrep 'Producer|Title' pdf-from-text2pdf.pdf
/Producer (text2pdf v1.1 (\251 Phil Smith, 1996))
/Title (pdfgrep.txt)

as has been posted by several responders here. I don't know enough about PDFs to say that Producer is/might be the same as Author. However, some PDFs seem to have binary data, so grep might not work as desired on those.

Best wishes ... cheers, drl
 

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LEARN ABOUT DEBIAN

podofoincrementalupdates

PODOFOINCREMENTALUPDATES(1)				     podofoincrementalupdates				       PODOFOINCREMENTALUPDATES(1)

NAME

       podofoincrementalupdates - Provides information about incremental updates in PDF files

SYNOPSIS

       podofoincrementalupdates [-e N out.pdf] file.pdf

DESCRIPTION

       podofoincrementalupdates  is  one of the command line tools from the PoDoFo library that provide several useful operations to work with PDF
       files. It can print information of incremental updates to file.pdf. By default the number of incremental updates will be printed.

OPTIONS

       -e N
	      Extract the Nth update

       out.pdf
	      Output PDF file.

       file.pdf
	      Input PDF file.

SEE ALSO

       podofobox(1), podofocountpages(1), podofocrop(1), podofoencrypt(1), podofoimg2pdf(1), podofoimgextract(1), podofoimpose(1), podofomerge(1),
       podofopages(1), podofopdfinfo(1), podofotxt2pdf(1), podofotxtextract(1), podofouncompress(1), podofoxmp(1)

AUTHORS

       PoDoFo is written by Dominik Seichter <domseichter@web.de> and others.

       This manual page was written by Oleksandr Moskalenko <malex@debian.org> for the Debian Project (but may be used by others).

PoDoFo								    2010-12-09					       PODOFOINCREMENTALUPDATES(1)
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