Welcome to our episode on advanced file handling! Today, we're covering Period 21, where we'll be combining what we've learned about file handling and arrays of records. Our main goal is to help you read from and write to files using arrays of records and to understand how to work with CSV files. 📁

Reading and Writing Structured Data

We'll begin by showing you how to read data from a file directly into an array of records. This is a powerful technique for organising structured data. We'll use cityDetails.txt as an example to demonstrate how each line of the text file can be converted into a single, cohesive record and stored in an array.

Next, we'll reverse the process and show you how to write data from ...