Re: Using lfs in Pandoc filter (for scanning directories)

[Claudio Di Vita <claudio.divita-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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Thanks Albert, I was able to add lfs to my Docker image and everything
works fine.

Having more functions in pandoc.system would be great, but I'm also happy
with lfs. I would say that enhancing pandoc.system would be more lightweight

Cheers,

Claudio

Il giorno gio 14 lug 2022 alle ore 15:51 Albert Krewinkel <
albert+pandoc-9EawChwDxG8hFhg+JK9F0w@public.gmane.org> ha scritto:

> Hi Claudio,
>
> Claudio Di Vita <claudio.divita-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>
> > I created a Docker image from pandoc/latex (the Ubuntu version) to run
> > my pandoc conversions, thus developing some custom filters.
> >
> > Due to new requirements, within a filter I need to scan directories and
> > looking for files. I would use lfs (installing it via luarocks) but I'm
> > wondering how I can use it with pandoc.
> >
> > Should I install lua separately within my custom Docker image and
> > instructs pandoc to use such version ?
>
> We build the image such that you can simply use the Ubuntu package
> manager to install Lua libraries. E.g., for lfs, try this:
>
> ```
> RUN apt-get -q --no-allow-insecure-repositories update \
>   && DEBIAN_FRONTEND=noninteractive \
>      apt-get install --assume-yes lua-filesystem
>   && rm -rf /var/lib/apt/lists/*
> ```
>
> The pandoc versions in our images are built against the system's Lua
> library, so any system-wide Lua package can be used with pandoc.
>
> > Any other suggestions on how to scan directories from a Lua filter ? I
> > could run a find through pandoc.pipe, but then I have to parse the
> > output and, in general, looks like a dirty solution.
>
> We could think about making more functions from
> [hslua-module-system](https://github.com/hslua/hslua/hslua-module-system)
> available in the `pandoc.system` module. See also the discussion in
> https://github.com/jgm/pandoc/pull/5468
>
> --
> Albert Krewinkel
> GPG: 8eed e3e2 e8c5 6f18 81fe  e836 388d c0b2 1f63 1124
>
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>


-- 
Claudio
claudio.divita-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

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