is_terminal.RdReturn TRUE is terminal. But FALSE if the RStudio console.
The RStudio console doesn't require as much customisation as a standard console since
it is already pretty. But it does place limits on the prompt options (single line only).
is_terminal()
set_terminal(
  rdoc = TRUE,
  colorout = TRUE,
  prettycode = TRUE,
  cmd_prompt = rprofile_prompt
)
set_rstudio(prettycode = TRUE)Should we load the rdoc package
Should we load the colorout package
Should we load the prettycode package
The prompt to use. A prompt from the prompt package could also be passed.