Question entretien chez Canva : How can we write multiple strings to a file while keeping them separated?

Canva

How can we write multiple strings to a file while keeping them separated?

Utilisateur anonyme

15 mai 2019

Base64 encode, and write them in a file line by line.

Utilisateur anonyme

31 août 2017

Hint: Using special characters, e.g. newlines, alone doesn't work well if you have arbitrary user inputs.

Utilisateur anonyme

21 mars 2019

If arbitrary can be only text/string input, then any non-printable character should do the job.