| menu {utils} | R Documentation |
menu presents the user with a menu of choices labelled from 1
to the number of choices. To exit without choosing an item one can
select 0.
menu(choices, graphics = FALSE, title = "")
choices |
a character vector of choices |
graphics |
a logical indicating whether a graphics menu should be used. Currently unused. |
title |
a character string to be used as the title of the menu |
The number corresponding to the selected item, or 0 if no choice was made.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
## Not run:
switch(menu(c("List letters", "List LETTERS")) + 1,
cat("Nothing done\n"), letters, LETTERS)
## End(Not run)