well, seconds since 2000/1/1 would do that.
getting approx (if only wanted is the uniqueness):
$secs= (((ydayno+((year-2000)*366))*24)*60)*60
if it can't be "script" but rather wanted as program, make it selfexecuting selfextracting compressed package...
example with winrar.
_________________________
!download
KiXnet
