AW: How do I replace a string in all text that pandoc converts, i.e. how do I do this with a filter?

[<denis.maier-NSENcxR/0n0@public.gmane.org>]

You are matching against the whole paragraph (para). So, when the first element in your paragraph matches your search string, you'll replace the whole paragraph with the return value of your function. (Which is a block element, not an inline element.)

Use the example from here instead:
https://pandoc.org/lua-filters.html#macro-substitution
________________________________________
Von: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> im Auftrag von paulschillinger93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <paulschillinger93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Gesendet: Dienstag, 6. Dezember 2022 00:32:23
An: pandoc-discuss
Betreff: Re: How do I replace a string in all text that pandoc converts, i.e. how do I do this with a filter?

YES! that works! But can you tell me why it replaces the whole line? Can't I do this in running text?
Thanks!
return {
  {
    Para = function (elem)
      if elem.content[1].text == "{{helloworld}}" then
        return pandoc.RawBlock('latex','abc')
      else
        return elem
      end
    end,
  }
}




On Tuesday, December 6, 2022 at 12:09:13 a.m. UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:
Just your example filter:

```lua
return {
  {
    Para = function (elem)
      if elem.content[1].text == "{{helloworld}}" then
        return pandoc.RawBlock('html','<div>abc</div>')
      else
        return elem
      end
    end,
  }
}
```

The problematic line is this: return pandoc.RawBlock('html','<div>abc</div>')
This adds a raw block that will only come in to effect when your output format is html.

If your target ist latex, you’ll need something like this: return pandoc.RawBlock('latex','\\whatever{abc}')

```cmd
pandoc test.md -L filter.lua -t latex
asf

\whatever{abc}

asf
```


Von: pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> Im Auftrag von paulschi...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Gesendet: Dienstag, 6. Dezember 2022 00:04
An: pandoc-discuss <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Betreff: Re: How do I replace a string in all text that pandoc converts, i.e. how do I do this with a filter?

No, my intended output is a PDF file. Does that change anything? Could you tell me what exactly you put in filter.lua?
Thanks!

On Monday, December 5, 2022 at 11:56:39 p.m. UTC+1 denis...-NSENcxR/0n0@public.gmane.org wrote:
What exactly are you doing? Your output format is html? I’ve just tested this and it seems to work.

```cmd
C:\Users\denis\Downloads\filter>cat test.md
asf

{{helloworld}}

asf
C:\Users\denis\Downloads\filter>pandoc test.md
<p>asf</p>
<p>{{helloworld}}</p>
<p>asf</p>

C:\Users\denis\Downloads\filter>pandoc test.md -L filter.lua
<p>asf</p>
<div>abc</div>
<p>asf</p>
```
Von: pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> Im Auftrag von paulschi...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Gesendet: Montag, 5. Dezember 2022 18:58
An: pandoc-discuss <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
Betreff: Re: How do I replace a string in all text that pandoc converts, i.e. how do I do this with a filter?

I've tried this:

return {
  {
    Para = function (elem)
      if elem.content[1].text == "{{helloworld}}" then
        return pandoc.RawBlock('html','<div>abc</div>')
      else
        return elem
      end
    end,
  }
}

but that only gets rid of {{helloworld}}, it doesn't replace it with anything. Sadly this doens't work for "==", i.e. those don't disappear.
On Monday, December 5, 2022 at 6:49:08 p.m. UTC+1 - wrote:
I've been trying to replace markdown/Obsidian highlights "==" either with something that LaTeX can use e.g. \hl or just delete it/replace it with nothing, but I can't figure out how to do this.

I've tried this:
function Str (str)
str.text = string.upper(str.text)
return str
end

But I can't even figure out where I'm meant to put my own text?

How do I rpelace == with " "?

Thanks!
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