Re: converting links to footnotes... including page number in footnote??

[Bastien DUMONT <bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org>]

Place the file under `~/.local/share/pandoc/filters`. You don't need the executable flag.

Le Saturday 26 November 2022 à 02:30:58PM, user account a écrit :
> Thanks I wish that worked. I don't know what I'm doing wrong, here's what I've
> got…
> 
> `pandoc --version` says user data dir is `~/.local/share/pandoc` so I placed
> this file there as `~/.local/share/pandoc/links-with-page-number.lua` and did
> (just in case) `chmod +x` on it.
> 
> `pandoc -o test.pdf test.html` produces a 2page pdf as expected with no
> footnotes.
> 
> `pandoc -L links-with-page-number.lua -o test.pdf test.html` fails to produce
> pdf file with:
> ```
> Error running filter links-with-page-number.lua:
> links-with-page-number.lua: openBinaryFile: does not exist (No such file or
> directory)
> ```
> 
> There's no typo in my script name or command invocation. Using ~/.pandoc
> instead of ~/.local/share/pandoc doesn't make any difference, still get that
> same error.
> 
> Any ideas?
> 
> On Saturday, November 26, 2022 at 12:34:15 PM UTC-5 Bastien Dumont wrote:
> 
>     Please find attached a basic implementation. As in the attached sample HMTL
>     file, I suppose that the targets are marked with ids on spans and that you
>     link to it via empty <a> elements. If you have a LaTeX installation, simply
>     do `pandoc -L links-with-page-number.lua -o test.pdf test.html` to see the
>     result.
> 
>     Le Saturday 26 November 2022 à 05:21:25AM, user account a écrit :
>     > Thanks! Yeah injecting html in the intermediary document doesn't sound
>     very
>     > promising either (again, because the pages have to be built first before
>     > footnotes updated with page #s) so maybe I'll abandon weasyprint in this
>     case,
>     > if this would be easy to do with a *Tex pdf engine. In that case... how
>     would
>     > one go about this? Would a lua filter be more capable with a different
>     pdf
>     > engine or would a different mechanism be used?
>     >
>     > On Saturday, November 26, 2022 at 5:28:31 AM UTC-5 Bastien Dumont wrote:
>     >
>     > The problem is that Pandoc does not produce the PDF document: it produces
>     > the intermediary HTML document that is processed by weasyprint to produce
>     > the PDF. So you cannot get page numbers in a Lua filter.
>     >
>     > However, you can inject raw HTML code in the intermediary file (or in
>     your
>     > CSS) that will make weasyprint print the page numbers. The question is
>     > whether such HTML code exists. It certainly would be possible to do this
>     if
>     > you converted to PDF via LaTeX, ConTeXt or groff, but I don't know if it
>     is
>     > possible via weasyprint.
>     >
>     > Le Friday 25 November 2022 à 04:33:05PM, user account a écrit :
>     > > Using pandoc with weasyprint pdf engine to turn the markdown files from
>     a
>     > blog
>     > > (static site generator does the html conversion) into a pdf for print.
>     > >
>     > > Would it be possible, perhaps with a custom lua filter or some other
>     > mechanism,
>     > > to add the page number of the linked-to page? The page numbers won't be
>     > known
>     > > until pandoc has already created the document, and I don't know where
>     in
>     > 'the
>     > > pipeline' the lua filter intervenes compared to when the pages
>     exist...?
>     > And
>     > > If the pages exist with their numbers earlier enough, is there an
>     object
>     > or
>     > > something from which lua can get the page number?
>     > >
>     > > I haven't found anything about page numbers in [1][1]https://pandoc.org
>     /
>     > > lua-filters.html#module-pandoc.utils ...am I looking in the wrong
>     place?
>     > Can
>     > > anyone tell me anything about this?
>     > >
>     > > It's an intimidating rabbit hole for me, particularly because I see no
>     > mention
>     > > of "page number" there in the docs, which makes it seem kinda hopeless
>     > > actually. But maybe one of you know the way and could point me in that
>     > > direction?
>     > >
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