I am not entirely sure how to use

File.walk

someone got a handy example

chb0kotlin: Like any other sequence, you can just iterate over it with

for (file in folder.walk())

Or more functionally something like this:

val files = File(...).walkTopDown()
    .filter { it.isFile }
    .filter { match.matches(it.name) }
    .map(File::toPath)

Ah, ok. I was looking for a functional application. .... Yeah, just like that 🙂

There is

walk

,

walkTopDown

and

walkBottomUp

also, in case order matters.