Swift

13.3    Working with Common Formats

The ecosystem of the software industry runs on many globally accepted common file formats. Some file types, like HTML and CSS, are centered on web pages. Others, like CSV and XLSX, revolve around tabular data. Naturally, there are many more widely accepted formats in use.

Using the techniques you learned before, you can technically read, interpret, and write any text or binary file format using manually written Swift code. But in practice, this is a redundant task that often comes with unforeseen difficulties because file format specifications might have many tiny details to consider.

To overcome this challenge, a typical programmer would import a tested and proven third-party library instead of reinventing ...