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

[- <paulschillinger93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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IT HAS BEEN SOLVED :)
Using the lua.filter here: 
https://gist.github.com/tarleb/a0646da1834318d4f71a780edaf9f870 and this 
filter:
function Span (span) 
 if span.classes:includes 'mark' then 
 return {pandoc.RawInline('latex', '\\hl{')} .. span.content .. 
{pandoc.RawInline('latex', '}')
} 
end 
end
And now it works, but only because I updated pandoc. In the version that 
Linux Mint's repo had it wouldn't work.

On Tuesday, December 6, 2022 at 11:55:17 a.m. UTC+1 - wrote:

> OK, so I have markdown text that includes ==highlighted== words like that. 
> I would like to convert ==highlighting== either to \hl{highlighting} so 
> LaTeX can handle it, or to highlighting, i.e. remove the symbols, so that 
> they just don't appear.
>
> Thanks to you, I now have a working filter that looks like this:
>
> return {
>   {
>     Str = function (elem)
>       if elem.text == "highlighting" then
>         return pandoc.Emph {pandoc.Str "highlighting"}
>
>       else
>         return elem
>       end
>     end,
>   }
> }
>
> This filter takes all instances of highlighting and turns them into 
> *highlighting*. However, ONLY if that's a whole word. If it's 
> ==highlighting== it doesn't touch it because that's seemingly technically 
> another word as it contains other characters. In my case I would like to 
> replace only the "==" but since they're attached to other characters, i.e. 
> the actual word, the filter doesn't touch them.
>
> That's where I'm at right now. I'm now looking for a modification of that 
> filter so it also applies to parts of a word.
> Any ideas on that?
>
> Thanks!
>
> On Tuesday, December 6, 2022 at 11:00:09 a.m. UTC+1 denis...-NSENcxR/0n0@public.gmane.org 
> wrote:
>
>> Sorry, I haven’t been following from the beginning. Can you provide a 
>> complete example. What’s your input ? What’s the desired output ?
>>
>>  
>>
>> *Von:* pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> *Im 
>> Auftrag von *paulschi...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
>> *Gesendet:* Dienstag, 6. Dezember 2022 01:03
>> *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 narrowed it down! The issue isn't the characters but that they're 
>> technically "part" of the word. How do I replace PART of a word?
>>
>> Thanks!
>>
>>  
>>
>> On Tuesday, December 6, 2022 at 12:52:05 a.m. UTC+1 - wrote:
>>
>> Barring that, can't I use something like "> = string.gsub("Hello banana", 
>> "banana", "Lua user")", if so how would I do that? I got that example from 
>> http://lua-users.org/wiki/StringLibraryTutorial
>>
>> On Tuesday, December 6, 2022 at 12:51:09 a.m. UTC+1 - wrote:
>>
>> I just tried that, thanks! That works :) But this doesn't appear to work 
>> for characters, like "==" which was the original goal. Am I missing some 
>> sort of escape characters?
>>
>> On Tuesday, December 6, 2022 at 12:49:46 a.m. UTC+1 denis...-NSENcxR/0n0@public.gmane.org 
>> wrote:
>>
>> 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-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org <pandoc-...-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> im 
>> Auftrag von paulschi...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <paulschi...-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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>

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