Código:
@Echo Off&Title Be Happy, Smile!!&Color 0A
Setlocal EnableDelayedExpansion
::Coded by SmartGenius, Just For Fun :)
Pushd %Windir%
For /f %%? in ('Tree^|Find " "') do (
For /f %%_ in ('Cmd /U /C Echo.%%?^|More') Do (
Set "%%_=%%_"&Call Set /P "!Smart!=!%%:~0,1!"<Nul))
Pause&Exit