Swift 4 Recipes: Hundreds of Useful Hand-picked Code Snippets

© Yanis Zafirópulos 2019

Yanis ZafirópulosSwift 4 Recipeshttps://doi.org/10.1007/978-1-4842-4182-0_13

13. More Advanced Topics

Yanis Zafirópulos¹ 

(1)

Granada, Spain

 

An application usually deals with things in a sequential way, more like a regular cooking recipe: 1, 2, 3, etc.

In this chapter, we’ll see how we can break this circle and interact with the system in a more natural way, either by executing commands in the terminal (pretty much as a normal user would) or launch asynchronous processes, which do what they have to in the background but still maintain contact with our main application.

13.1 Execute terminal command

Problem

I want to execute some terminal command and get the result.

Solution

import Foundation

First, we create our Process and Pipe ...