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https://issues.apache.org/jira/browse/PDFBOX-785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15276182#comment-15276182
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Bastian Preindl commented on PDFBOX-785:
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Would it make sense to issue this as a new bug? Or is it no bug in general but
rather an optimization?
I think I understand the issue: All pages of a PDF contain all resources of the
PDF when they are added to another PDF because it's a complex problem to
identify which resources belong to which page, right? And when multiple single
PDFs are merged together, all resources from all PDFs are also merged together
(which makes absolutely sense).
Have you already tried to find a solution respectively are you working on this
or is it sensible if we try to fix it?
> Spliting a PDF creates unnecessarily large files
> ------------------------------------------------
>
> Key: PDFBOX-785
> URL: https://issues.apache.org/jira/browse/PDFBOX-785
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 1.8.8, 2.0.0
> Environment: Windows XP, openOffice3.0.0, pdfsam
> Reporter: mathieu radiguet
> Assignee: Andreas Lehmkühler
> Fix For: 1.8.9, 2.0.0
>
> Attachments: fileSizeIssue.zip
>
>
> Using PDFBox 0.8.0 (also tried on 1.1.0 and 1.2.1) to split files result in
> bigger parts than the original.
> Concerned files were made from openOffice .odt documents in version 3.0.0
> using openOffice pdf Export and then merging several copies with pdfsam
> (http://www.pdfsam.org/)
> In joined eclipse project the test file size is 10 712 749 bytes for 2812
> pages and the result file sizes after splitting in two at page 2300 are : 8
> 812 515 bytes and 10 701 142 bytes.
> Using pdfSplit in command line as result we have all single result files
> bigger than the original. An example is also attached. An error tells the
> original file is corrupted, but we tried it on a file (using pdfsam and
> without using it) with no error and with similar result, so I think it's not
> related.
> This issue seems similar to PDFBOX-28.
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