How do I use String(contentsOfFile: ) in Swift? [duplicate] - swift

Question

This question already has answers here:
Read and write a String from text file
(21 answers)
Xcode 7.1 beta: Content Of File Error
(1 answer)
Closed 4 years ago.
Edit: I do not believe this question is a duplicate of Read and write a String from text file. I linked that exact question in this one explaining that it did not work!
I want to be able to read a .txt file I am including within my Xcode project in an iOS app. I have the following code:
let bundle = Bundle.main
override func sceneDidLoad() {
let path = bundle.path(forResource: "data", ofType: "txt")
let string = try String(contentsOfFile: path!) else throw Error
}
All the lines up until let string = ... are fine. However, everything I have found in questions such as this one are unable to read the data.txt file as they are incorrect/outdated syntax.
How do I read from it?
Edit: I've got the let string to be this:
do {
let string = try String(contentsOfFile: path!)
print(string) // prints the content of data.txt
}
catch {
throw Error
}
But I still have two errors:
Thrown expression type 'Error.Protocol' does not conform to 'Error'
and
Error is not handled because the enclosing function is not declared 'throws'
How do I fix the errors?

Answer 1

You need to handle the possible error thrown by encapsulating the throwable function in a do-catch block. In the catch block you shouldn't throw an error, but rather parse the error thrown and decide what to do with it.
let path = bundle.path(forResource: "data", ofType: "txt")!
do {
let string = try String(contentsOfFile: path)
} catch {
print(error)
// Handle the error
}