How to truncate a file from the end? (cross platform)

Question

I am trying to find a cross-platform method to delete X bytes from the end of a file.

Currently I have found:

• Platform specific solutio

Answer 1

There is no such thing in the Standard library. They support streams- but streams don't have ends, files happen to have ends- at the current time.

All you can do is write a cross-platform wrapper on the function.