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Top Forums Shell Programming and Scripting how to find watermark in a pdf Post 302250387 by rahulkav on Thursday 23rd of October 2008 09:25:52 AM
Old 10-23-2008
how to find watermark in a pdf

Hi All,

I have a few pdf files some of which have a watermark on it and my task is to find which all invoices have watermark without actually printing them.
Is there any way we can do this in Unix. Strings is not helping.
any idea how would I read binary file and grep for watermark. The watermark has a text "XYZ"

Regards...
 

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QPDFVIEW(1)						      General Commands Manual						       QPDFVIEW(1)

NAME
qpdfview - tabbed PDF viewer SYNOPSIS
qpdfview [options] [file(s)[#page[#top]]] DESCRIPTION
qpdfview is a simple document viewer for PDF documents. It uses the poppler library for rendering. OPTIONS
--unique If an instance of qpdfview is started with this option, any files that are opened using this option afterwards, are opened as tabs in this same window. If a file is already opened in a tab of the respective window, it is merely reloaded using this option. [file(s)[#page[#top]]] Specifies the files to open when qpdfview starts. If this is not specified, qpdfview will open a blank window. Multiple files can be loaded in separate tabs if the file names are separated by spaces. The optional parameter #page opens the file at the given page. The optional parameter #top can take values between 0 and 1 and opens the page with the given position aligned to the top of the tab. (See examples.) CONFIGURATION FILE
qpdfview uses a configuration file usually located at "~/.config/qpdfview/qpdfview.conf", which allows configuration of the toolbars and thumbnails. The keys "fileToolBar", "editToolBar" and "viewToolBar" are added to the section "mainWindow". Their values are comma-separated lists. The default (available) entries are: fileToolBar: openInNewTab, refresh (open, saveCopy, print) editToolBar: currentPage, numberOfPages, previousPage, nextPage (firstPage, lastPage, jumpToPage, search) viewToolBar: scaleFactor, zoomIn, zoomOut (onePage, twoPages, oneColumn, twoColumns, fitToPage, fitToPageWidth, doNotScale, rotateLeft, rotateRight, fullscreen, presentation) The order of the items in the list defines the order of the items in the toolbar. (See examples.) Setting the keys "thumbnailWidth" and "thumbnailHeight" in the section "documentView" specifies the size of the thumbnails. The icon theme used by Qt can be overridden by setting the key "iconTheme" in the section "mainWindow". EXAMPLES
The command qpdfview foo.pdf#3#0.5 bar.pdf opens foo.pdf in the first tab with the middle of page 3 aligned to the top of the tab and bar.pdf in the second tab at the begin- ning of the document. Subsequent execution of the following commands qpdfview --unique foo.pdf bar.pdf qpdfview --unique foo.pdf#5 opens foo.pdf and bar.pdf, then reloads foo.pdf and displays its page 5. Subsequent execution of the following commands qpdfview --unique foo.pdf qpdfview bar.pdf qpdfview --unique foo1.pdf bar1.pdf opens foo.pdf in the first window, bar.pdf in a second window and then foo1.pdf and bar1.pdf in additional tabs in the first window. Adding the lines fileToolBar=openInNewTab, refresh, saveCopy, print editToolBar=firstPage, previousPage, currentPage, numberOfPages, nextPage, lastPage, search viewToolBar=zoomOut, scaleFactor, zoomIn, oneColumn, twoColumns, rotateLeft, rotateRight in section "mainWindow" of the configuration file leads to the corresponding items being displayed in the given order in the tool- bars. BUGS
If you find a bug, please report it at https://launchpad.net/qpdfview. AUTHOR
Benjamin Eltzner <b.eltzner@gmx.de> March 2012 QPDFVIEW(1)
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