call directory .File~listRoots[1]
file1 = .File~new("file", "dir")
file2 = .File~new("FILE", "DIR")
file1~compareTo(file2) -- 0 on Windows (both Files denote the same path)
file1~compareTo(file2) -- 1 on Unix-like system ("/dir/file" is greater than "/DIR/FILE")