@rem http://www.99-bottles-of-beer.net/
@Set num=99
@Set tail=s

:again
@Echo %num% bottle%tail% of beer on the wall, %num% bottle%tail% of beer.
@Set /a num=%num%-1
@IF %num%==0 goto zero
@IF %num%==1 @Set tail=
@Echo Take one down and pass it around, %num% bottle%tail% of beer on the wall.
@goto after
:zero
@Echo Take one down and pass it around, no more bottles of beer on the wall.
@Echo.
@Echo No more bottles of beer on the wall, no more bottles of beer.
@Echo Go to the store and buy some more, 99 bottles of beer on the wall.
:after
@Echo.

@IF %num%==0 goto :EOF
@goto again