ask: Obtain Input from User With Error Handling

Description Usage Arguments See Also

Description

A simple function to detect input from the user, and keep prompting until a response matching the class of input required is given.

Usage

1
ask(prompt="?", type="logical", bounds=c(-Inf, Inf),  na.allow=FALSE)

Arguments

prompt

what text string should be used to prompt the user? (character string)

type

the class of object expected to be returned - "logical", "numeric", "integer", "character". If the user input does not match this return, the prompt is repeated

bounds

the lower and upper bounds of number to be returned. Ignored if type is "logical" or "character"

na.allow

if TRUE, allows the user to input "NA" for any type, which is returned as NA

See Also

readline,

menu


runjags documentation built on March 26, 2020, 9:24 p.m.

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