Re: Convert specific parts of document

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

If you want to pass the argument through a metadata on the command line (for instance with "-M docpart=doc1"), you can write:

```
local docpart = ''

local function Meta(meta)
  if meta.docpart then
    docpart = meta.docpart
  end
end

local function Div(div)
  (...)
end

-- By default, the Meta function is called after Div,
-- so the following is required.
return {
  { Meta = Meta },
  { Div = Div }
}
```

Don't forget to 

Le Monday 14 March 2022 à 07:32:17AM, Balázs Szabó a écrit :
> Checking the div class is working nicely, thanks!
> 
> Using metadata probably is the way to go, but I'm not sure how to get my custom
> metadata value in the .lua script, do you have some quick example how to use
> it?
> 
> On Monday, March 14, 2022 at 1:23:56 PM UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:
> 
> 
>     Can’t come up with a piece of code right now, but one way to do this is to
>     check whether a div contains a certain class. If it contains the class just
>     return the element, otherwise `return {}`.
> 
>      
> 
>     I don’t know if there are easy ways to pass command line parameters to the
>     filter, but I guess you can use the -M flag to add a metadata value (e.g.
>     pandoc file.md -o output.html -M docpart=doc1), and use that in your
>     filter.
> 
>      
> 
>     Best,
> 
>     Denis
> 
>      
> 
>     Von: pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> Im Auftrag
>     von Balázs Szabó
>     Gesendet: Montag, 14. März 2022 13:05
>     An: pandoc-discuss <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
>     Betreff: Convert specific parts of document
> 
>      
> 
>     I have a markdown file of which I want to convert sometimes only specific
>     parts, sometimes the whole document. I know about lua-filters and fenced
>     div which I think is a possible approach, but how can I "select" which part
>     of the document I'm converting.
> 
>     Let's say this is my document:
> 
>     # This is my title
> 
>     This is some common parts for both documents.
> 
>      
> 
>     :::: DOC1
> 
>     This is a part for Document 1.
> 
>     ::::
> 
>      
> 
>     :::: DOC2
> 
>     This is a part for Document 2.
> 
>     ::::
> 
>      
> 
>     Some more common parts...
> 
>     How can I tell pandoc/lue-filter if I want to create "Document1" for
>     example? Can I somehow pass a custom argument from the command line that
>     lua-filter can pick up (e.g. DOC1 or full)?
> 
>     Any other way of achieving this?
> 
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