tar_toggle: Choose code to run based on Target Markdown mode.

In targets: Dynamic Function-Oriented 'Make'-Like Declarative Pipelines

Choose code to run based on Target Markdown mode.

Description

Run one piece of code if Target Markdown mode interactive mode is turned on and another piece of code otherwise.

Usage

tar_toggle(interactive, noninteractive)

Arguments

interactive	R code to run if Target Markdown interactive mode is activated.
noninteractive	R code to run if Target Markdown interactive mode is not activated.

Details

Visit <books.ropensci.org/targets/literate-programming.html> to learn about Target Markdown and interactive mode.

Value

If Target Markdown interactive mode is not turned on, the function returns the result of running the code. Otherwise, the function invisibly returns NULL.

See Also

Other Target Markdown: tar_engine_knitr(), tar_interactive(), tar_noninteractive()

Examples

tar_toggle(
  message("In interactive mode."),
  message("Not in interactive mode.")
)

targets documentation built on Oct. 3, 2024, 1:11 a.m.