Export Swift CLI Apps

Tooling

How to distribute your Command-Line Utility

One of the issues that I faced, after having developed a tool for me and for my colleagues, was: how can I distribute this CLI program internally? How can make sure that it works for every colleague and from every folder location?

Today I’d like to share with you how you can develop CLI programs and how to deliver them to your colleagues.

First of all, let’s start writing the program we want to export.
For the sake of this article, let’s start with something very simple: we want to echo the content of a .version file.
We use this file to keep track of the current version and to automate some tasks when releasing a library.

Xcode will process these instructions and will prepare a file called main.swift with the following code:

Now, replace this code with this one:

This code is pretty simple: it tries to read the content of a file called .version and it trims it, removing spaces and newlines.
If there is an error…

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