rmarkdown：手动指定 pandoc 路径？

Question

I have a rmarkdown document that I render regularly with rmarkdown::render

It works fine on my computer (Windows) as I have RStudio installed, and it has setup automatically the path to pandoc.

However when I try to run it on my server (outside RStudio), it fails with error that pandoc is not found.

How can I set up manually the path the pandoc from my script? Without changing the configuration on the server.

I have tried this but it doesn't work:

Sys.setenv(RSTUDIO_PANDOC="PATH_TO_MY_PANDOC_BIN/binaries/pandoc/pandoc.exe")

Answer 1

I suggest to set the system path for pandoc (Windows 10 instructions):
1. In the Start menu, search for "Edit the system environment variables"
2. At this point, Windows may ask you for username + password (for a user with permission to change system settings)
3. Click "Environment Variables" button
4. In the lower part of the window ( System variables ), select the line with "Path" and click Edit
5. Add the path to the folder where pandoc.exe is, but not including "pandoc.exe" or a slash at the end

Answer 2

Sys.setenv(RSTUDIO_PANDOC="PATH_TO_MY_PANDOC_BIN/binaries/pandoc/pandoc.exe")

That is actually almost correct, just omit the *.exe files, write the path only up to folder contain pandoc.exe

like this : Sys.setenv(RSTUDIO_PANDOC="PATH_TO_MY_PANDOC_BIN/binaries/pandoc")

i believe this doesn't require admin rights