Re: HTML → EPUB: Either "Out of memory" or "openBinaryFile: invalid argument (Invalid argument)"

[Heck Lennon <frdtheman-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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Thanks for the tip.

1. Removed the Ubuntu 2.5-2 package through apt-get remove
2. Downloaded and installed pandoc-2.9.2.1-1-amd64.deb
3. Ran : pandoc -f html -t epub3 -o output.epub3.epub input.html AND pandoc 
-f html -t epub -o output.epub2.epub input.html
4. Opened each file in Windows with SumatraPDF (which suppports epub): Both 
opened OK.

The issue remains on how to better convert PDF to HTML, but this has 
nothing to do with pandoc.

Thank you all !

Le jeudi 23 avril 2020 00:17:54 UTC+2, Kolen Cheung a écrit :
>
> Version too old. Try to reproduce it using the latest version: 
> https://github.com/jgm/pandoc/releases/latest There's various way to 
> install it, e.g. you can just unzip pandoc-2.9.2.1-linux-amd64.tar.gz and 
> put pandoc and pandoc-citeproc to somewhere in your path, such as 
> ~/.local/bin
>
> (To take one more step you can go to the GitHub Action to download the 
> latest nightly build to make sure the problem has not been solved yet.)
>
> In general you'd want to ensure the problem has not been solved yet, and 
> to do that you want the latest version, which unfortunately in distros with 
> package manager can be a big problem because people often just use the one 
> from there, which is too old especially from Ubuntu.
>
> On Wednesday, April 22, 2020 at 2:59:38 PM UTC-7, Heck Lennon wrote:
>>
>> pandoc 2.5.2 on Ubuntu 19.10.
>>
>> Turns out I had to use "-t epub" instead of "-t epub3" :
>>
>> pandoc -f html -t epub -o output.epub input.html
>>
>> Thank you.
>>
>> Le mercredi 22 avril 2020 17:58:39 UTC+2, John MacFarlane a écrit :
>>>
>>>
>>> What pandoc version are you running on the linux box? 
>>> This works fine for me. 
>>>
>>>
>>> Heck Lennon <frdt...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes: 
>>>
>>> > Since I had a Linux host available, I went around that issue with 
>>> Windows 
>>> > and shell expansion. 
>>> > 
>>> > pandoc -f html -t epub3 -o output.epub input.html 
>>> > 
>>> > 
>>> > pandoc ran successfully (no error message), but the EPUB can't be 
>>> opened in 
>>> > a Windows GUI application that supports EPUB files ("Error loading 
>>> > file.epub"). Likewise, I can't open the file after changing its 
>>> extension 
>>> > from EPUB to ZIP. 
>>> > 
>>> > Here's the input files (HTML + PNGs): 
>>> > 
>>> > https://we.tl/t-5EeGXML1rb 
>>> > 
>>> > Do I need extra options in the command line? 
>>> > 
>>> > Le mercredi 22 avril 2020 11:55:49 UTC+2, Heck Lennon a écrit : 
>>> >> 
>>> >> Thanks everyone for the infos! 
>>> >> 
>>> >> Le mercredi 22 avril 2020 01:25:21 UTC+2, Kolen Cheung a écrit : 
>>> >>> 
>>> >>> A side note, since your goal is to convert from PDF to ePub, you 
>>> probably 
>>> >>> will have better results using other tools. Eg I know it can be 
>>> converted 
>>> >>> to docx, and then from docx to ePub. There may he tool that can help 
>>> you 
>>> >>> convert that directly too. Essentially for the tools you choose, 
>>> you’d want 
>>> >>> to choose one preserving most information. And since pandoc focuses 
>>> many on 
>>> >>> the structure of the document, much other information would be lost. 
>>> The 
>>> >>> choice of tool also depends on which ones you’re comfortable with, 
>>> Eg the 
>>> >>> PDF to docx I mentioned probably can be done by Adobe Acrobat and MS 
>>> Word. 
>>> >>> But they are proprietary and difficult to run from the command line. 
>>> >>> 
>>> >>> In your case, since you have a tool preconverted them to html 
>>> already, 
>>> >>> html to ePub can be done better by some other engines (since the 2 
>>> are 
>>> >>> closely related.) may be you can try Calibre which also have a cli. 
>>> >> 
>>> >> 
>>> > 
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>>>
>>>
>>

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