Re: AW: Experimenting with pandoc module using just Lua

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

You can achieve this with a defaults file containing

---
input: []
...

Manual: "The value of input-files may be left empty to indicate input from stdin, and it can be an empty sequence [] for no input."

<denis.maier-NSENcxR/0n0@public.gmane.org> writes:

> IDK if the use case is common enough to warant a new command line parameter...
>
> But, what about a new option like this?
>
> `pandoc -L build.lua --no-input`
>
> The example `echo '' | pandoc` works with Powershell, but not with cmd. There you'll get the result:
> <p>ÔÇÖÔÇÖ</p>
>
> Don't know about bash or other shells.
>
> Denis
>
>
>
>
>
>> -----Ursprüngliche Nachricht-----
>> Von: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-
>> discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> Im Auftrag von Bastien DUMONT
>> Gesendet: Freitag, 17. Juni 2022 11:49
>> An: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> Betreff: Re: Experimenting with pandoc module using just Lua
>> 
>> You need to supply an empty input to pandoc. In Powershell, you can type
>> `echo '' | pandoc -L build.lua`.
>> 
>> Le Friday 17 June 2022 à 11:38:11AM, A A a écrit :
>> > Hi Bastien,
>> >
>> > Thanks, that's a bit more like what I'm looking for.
>> >
>> > However, when I try to compile in Powershell using `pandoc -L
>> > build.lua` I get no output and the command prompt just kind of hangs there
>> until I press Ctrl+C.
>> >
>> > Pretty sure I'm doing something wrong but I'm not sure what....
>> >
>> > Regards,
>> >
>> > Amine
>> >
>> > On Thu, 16 Jun 2022 at 17:34, Bastien DUMONT
>> > <[1]bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org>
>> > wrote:
>> >
>> >     I don't think that you can do this directly from a Lua interpreter. This is
>> >     how I would build a document programmatically:
>> >
>> >     ```build.lua
>> >     function Pandoc(_)
>> >       return pandoc.Pandoc(
>> >         pandoc.Para({
>> >             pandoc.Str('Hello'),
>> >             pandoc.Space(),
>> >             pandoc.Emph(pandoc.Str('World')),
>> >             pandoc.Str('!')
>> >         })
>> >       )
>> >     end
>> >     ```
>> >
>> >     pandoc -L build.lua <<< '' outputs `<p>Hello <em>World</em>!</p>`.
>> >
>> >
>> >     Le Thursday 16 June 2022 à 05:28:29PM, A A a écrit :
>> >     > Hi Bastien,
>> >     >
>> >     > I'm afraid that doesn't really show me how I can build a document from
>> >     scratch
>> >     > similar to what is done in Haskell using a `Builder`.
>> >     >
>> >     > I really would like to avoid learning Haskell and stick to the Lua API.
>> >     But I'm
>> >     > getting the impression that use of the Lua API requires understanding
>> of
>> >     how
>> >     > the underlying Haskell objects interact.
>> >     >
>> >     > Regards,
>> >     >
>> >     > Amine
>> >     >
>> >     > On Thu, 16 Jun 2022 at 17:20, A A
>> <[1][2]amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>> >     wrote:
>> >     >
>> >     >
>> >     >     I guess a better way to phrase my question is the following:
>> >     >
>> >     >     Is there a way to generate a document from scratch and
>> >     programmatically
>> >     >     using Lua and without using Haskell?
>> >     >
>> >     >     There is mention [2]here of a pandoc Builder class but I don’t see
>> >     its Lua
>> >     >     equivalent [3]here.
>> >     >
>> >     >
>> >     >
>> >     >     ---------- Forwarded message ---------
>> >     >     From: A A <[4][3]amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>> >     >     Date: Thu, 16 Jun 2022 at 16:51
>> >     >     Subject: Experimenting with pandoc module using just Lua
>> >     >     To: <[5][4]pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
>> >     >
>> >     >
>> >     >
>> >     >     Dear All,
>> >     >
>> >     >     Is there a way to experiment with the objects pandoc module using
>> Lua
>> >     >     without having to write a filter/writer and go through the pandoc
>> >     CLI? I
>> >     >     would really like to just experiment with generating documents and
>> >     getting
>> >     >     familiar with the Lua API using just a Lua interpreter.
>> >     >
>> >     >     Regards,
>> >     >
>> >     >     Amine
>> >     >
>> >     > --
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>> >     > To view this discussion on the web visit
>> [7][6]https://groups.google.com/
>> >     d/msgid/
>> >     > pandoc-discuss/
>> >     >
>> CAMwawgOHE5QEeHJbO%2BNF8QvViKas3P6Q6G7F%3DdS4YecTda1z1w%[7
>> ]
>> >     40mail.gmail.com.
>> >     >
>> >     > References:
>> >     >
>> >     > [1] mailto:[8]amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
>> >     > [2] [9]https://pandoc.org/using-the-pandoc-api.html#builder
>> >     > [3] [10]https://pandoc.org/lua-filters.html#module-pandoc
>> >     > [4] mailto:[11]amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
>> >     > [5] mailto:[12]pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> >     > [6] mailto:[13]pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> >     > [7] [14]https://groups.google.com/d/msgid/pandoc-discuss/
>> >
>> CAMwawgOHE5QEeHJbO%2BNF8QvViKas3P6Q6G7F%3DdS4YecTda1z1w%4
>> 0mail.gmail.com?
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>> CAMwawgMt32uLCRXDqwxpudMF92sBQVg_f2cNXvzV0T3rsyy5xA%40mail.g
>> mail.com.
>> >
>> > References:
>> >
>> > [1] mailto:bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org
>> > [2] mailto:amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
>> > [3] mailto:amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
>> > [4] mailto:pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> > [5] mailto:pandoc-discuss%2Bunsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> > [6] https://groups.google.com/d/msgid/
>> > [7] http://40mail.gmail.com/
>> > [8] mailto:amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
>> > [9] https://pandoc.org/using-the-pandoc-api.html#builder
>> > [10] https://pandoc.org/lua-filters.html#module-pandoc
>> > [11] mailto:amine.aboufirass-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org [12]
>> > mailto:pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> > [13] mailto:pandoc-discuss%2Bunsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> > [14]
>> > https://groups.google.com/d/msgid/pandoc-
>> discuss/CAMwawgOHE5QEeHJbO%2B
>> >
>> NF8QvViKas3P6Q6G7F%3DdS4YecTda1z1w%40mail.gmail.com?utm_medium
>> =email&u
>> > tm_source=footer [15]
>> > mailto:pandoc-discuss%2Bunsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> > [16]
>> > https://groups.google.com/d/msgid/pandoc-
>> discuss/YqtNZpy71u2Ud39K%40lo
>> > calhost [17] mailto:pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>> > [18]
>> > https://groups.google.com/d/msgid/pandoc-
>> discuss/CAMwawgMt32uLCRXDqwxp
>> >
>> udMF92sBQVg_f2cNXvzV0T3rsyy5xA%40mail.gmail.com?utm_medium=emai
>> l&utm_s
>> > ource=footer
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