Just to make code more object style, and have fun with computed class properties
$date:=cs.Date.new()
$value:=$date.year
$date.year:=2021
$file:=cs.File.new("/path/to/a/file/or/folder")
$name:=$file.fullName
$file.name:="hello"
$file.extension:="foo"
$file.parent:=Folder(...)