Console Input

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ConsoleInput1.swift

#!/usr/bin/env swift;
/******************************************************************************
 * This program demonstrates how to prompt the user for input.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import Foundation
import Utils

// Begin Main
var name:String
name = Utils.prompt("What is your name? ")
var favoriteColor:String
favoriteColor = Utils.prompt("What is your favorite color? ")
print(Utils.format("Hello, {0:s}!  I like {1:s} too!", name, favoriteColor))

exit(EXIT_SUCCESS)

ConsoleInput2.swift

#!/usr/bin/env swift;
/******************************************************************************
 * This program demonstrates how to prompt the user for input.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import Foundation
import Utils

// Begin Main
do {
	var favoriteInt:Int
	var favoriteLong:Int64
	var favoriteDouble:Double
	var favoriteIntInput:String
	favoriteIntInput = Utils.prompt("What is your favorite small integer? ")
	try favoriteInt = Utils.stoi(favoriteIntInput)
	var favoriteLongInput:String
	favoriteLongInput = Utils.prompt("What is your favorite large integer? ")
	try favoriteLong = Utils.stol(favoriteLongInput)
	var favoriteDoubleInput:String
	favoriteDoubleInput = Utils.prompt("What is your favorite floating point? ")
	try favoriteDouble = Utils.stod(favoriteDoubleInput)
	let sum:Double = Double(favoriteInt) + Double(favoriteLong) + favoriteDouble
	print(Utils.format("All together they add up to {0:f}!", sum))
} catch let ex as NumberFormatError {
	print("Bad input! " + ex.localizedDescription)
} catch {
	print("Don't know what went wrong!")
}

exit(EXIT_SUCCESS)

Questions

• {{Who's on first?}}
• {{Who's on second?}}
• {{Who's on third?}}

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References

• [[Swift Community]]
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• [[Swift Programming Language]], Apple Inc.
• [[Swift Doc]]
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