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Adding option to pandoc call from RStudio

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If ones uses RStudio to convert a rmarkdown file to pdf, RStudio will call pandoc with arguments like this:

/opt/homebrew/bin/pandoc +RTS -K512m -RTS Untitled.knit.md --to beamer --from markdown+autolink_bare_uris+tex_math_single_backslash --output Untitled.tex --lua-filter /Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/rmarkdown/rmarkdown/lua/pagebreak.lua --lua-filter /Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/rmarkdown/rmarkdown/lua/latex-div.lua --highlight-style tango --pdf-engine pdflatex --embed-resources --standalone

Is there an environment variable or setting which can be used to add the --verbose option to this call?

I'm aware that one can set pandoc arguments within the yaml header of a rmarkdown file, but I'm looking for a way to automatically invoke the verbose option for all files.


RStudio version: 2021.09.0+351

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Does rstudio invoke pandoc using an absolute path? (2 comments)

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This is admittedly rather ugly, but you could move the PANDOC program to elsewhere, and replace it with your own script. That script can add command line arguments, then run the real PANDOC. One issue is that you'll have to re-do this every software update. Like I said, it's ugly.

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Thanks for the suggestion! I'll keep that in mind as a last resort. (1 comment)
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I assumed that RStudio would get the path from somewhere, rather than it being hardcoded, and based on the response in a comment thread, that somewhere is RSTUDIO_PANDOC in .Rprofile.

So you should be able to adjust the path there, to point RStudio at a wrapper script that adds the parameter you want to pass to pandoc.

Since this is about a parameter that shouldn't affect how pandoc actually runs, its absence also shouldn't have any significant negative effects if you move this to a system where RStudio's configuration isn't set up in such a way.

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