These are files for storing form data outside of the pdf. You can see it stores all sorts of wonderful things like where you were last in the document. Oh, and if you're using a pdf to fill out your taxes, all that would be in there too. You can view one of the many bugs opened against it here as people lose their minds over this abomination. https://bugs.launchpad.net/ubuntu/+source/kdegraphics/+bug/521533

and if you're really bored, you can read the open okular bug to remove at least the form-fill data from it. https://bugs.kde.org/show_bug.cgi?id=267350

Currently you'd have to break okular or use something besides it to avoid from what I can see.

On Tue, Jul 11, 2017 at 12:06 PM, <joe@actionline.com> wrote:

Can someone please tell me why 'okular' saves a
file like the example below every time it is used?

Is there any good reason why all these hundreds
of nuisance files should not be deleted? I've
deleted a few and it has no affect on opening
another copy of the example .pdf file.

What (if anything) is the purpose for okular
to create all these nuisance files to clutter
up my file system? And is there some way to
put a stop to it?

The same seems to be true for an unknown number
of other programs that create thousands of what
seem to be nuisance, space-wasting files that I
keep finding on my system.

~/.kde/share/apps/okular/docdata/239422.edge.pdf.xml

CONTENTS:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE documentInfo>
<documentInfo
url="/home/joe/.kde/share/apps/okular/docdata/239422.edge.pdf.xml">
<pageList/>
<generalInfo>
<history>
<current viewport="0;C2:0.499582:0.304825:1"/>
</history>
<views>
<view name="PageView">
<zoom mode="1" value="1.995"/>
</view>
</views>
</generalInfo>
</documentInfo>

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James McPhee
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