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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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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