GenoView (version 1.6.0)

printOption: Print numbered options

Description

Prints a numbered list as a guide for selecting an option or an index.

Usage

printOption(opt.vec, inst = TRUE, desc = "an option", 
match.opt = FALSE, match.ind = FALSE)

Arguments

opt.vec

A vector of printable objects, preferably character, which fits the descriptor desc.

inst

Controls instruction printing using desc.

desc

A char which indicates the type of object in opt.vec.

match.opt

Chooses the selected element from opt.vec.

match.ind

Chooses the index of the selected element from opt.vec.

Value

The selected object from opt.vec if match.opt = TRUE. The integer index if match.ind = TRUE.

Examples

colours <- c("Red", "Blue", "Green", "Yellow")
printOption(colours, desc = "a colour") ## no return value

if (interactive()){
printOption(colours, desc = "a colour", match.ind = TRUE) # returns integer

printOption(colours, desc = "a colour", match.opt = TRUE) # returns character
}