Automating scripts in new environments

[smartenies]

Looking for an example of how to automate scripts so that the global environment is cleared between each on

[jennybc]

I showed an example that I have locally using callr::r() to wrap rmarkdown::render() to render 2 R scripts. It worked! I need to work this into the WTF page about "blank slates", specifically the section of automating a pipeline. Also show/discuss source() instead of render()?