filesDir = _files.getFilesDir()


def fn1(fileBuilder):
    fileBuilder.setPath(filesDir, "tmp/aaa.txt")


file = _files.buildFile(fn1)
file.writeText("hello world", "UTF-8")
_console.log(file.readText("UTF-8"))


def fn2(fileBuilder):
    fileBuilder.setPath(filesDir, "tmp/bbb.txt")


dest = _files.buildFile(fn2)
_console.log(file.copyTo(dest, True))
_console.log(dest.readText("UTF-8"))
file.delete()
dest.delete()