无法在文件夹内创建文本文件

Question

I'm trying to create a log.txt file inside a folder of a device, but I get this error:

NSCocoaErrorDomain Code=512 "The file “log.txt” couldn't be saved in the folder “Logs”.

The folder Logs already exists on the device, but I still get this error. Please find my code below:

let path = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!

let logPath = path.appendingPathComponent("Logs").appendingPathComponent("log.txt")

try! "Hello world".write(to: logPath, atomically: true, encoding: .utf8)

However, if I replace the logPath with path.appendingPathComponent("log.txt") , it will work, BUT it creates the file outside of the folder Logs instead of inside.

How can I solve this?

Answer 1

I have fixed this problem by using the new function called appending(component:_) of the FileManager API.

The old one that I used in my question was not deprecated, but it did not work, and I still have no idea.

However, using the new one above makes everything works just fine.