ask_yesno: Ask and Return True or False from the Terminal

In dipsaus: A Dipping Sauce for Data Analysis and Visualizations

Ask and Return True or False from the Terminal

Description

Ask a question and read from the terminal in interactive scenario

Usage

ask_yesno(
  ...,
  end = "",
  level = "INFO",
  error_if_canceled = TRUE,
  use_rs = TRUE,
  ok = "Yes",
  cancel = "No",
  rs_title = "Yes or No:"
)

Arguments

..., end, level	passed to cat2
error_if_canceled	raise error if canceled
use_rs	whether to use rstudioapi if possible
ok	button label for yes
cancel	button label for no
rs_title	message title if 'RStudio' question box pops up.

Details

The prompt string will ask for an yes or no question. Users need to enter "y", "yes" for yes, "n", "no" or no, and "c" for cancel (case-insensitive).

This can only be used in an interactive session.

Value

logical or NULL or raise an error. If "yes" is entered, returns TRUE; if "no" is entered, returns FALSE; if "c" is entered, error_if_canceled=TRUE will result in an error, otherwise return NULL

See Also

cat2, readline, ask_or_default

Examples

if(interactive()){
ask_yesno('Do you know how hard it is to submit an R package and ',
          'pass the CRAN checks?')
ask_yesno('Can I pass the CRAN check this time?')
}

dipsaus documentation built on April 4, 2025, 5:11 a.m.