@c=(@b=(++$n,bottle.$&,of,beer),on,the,wall),s/^/Take one down and pass it around, @c.

@c, @b.
/,/s/until/, 99\D+/;print$'."Go to the store and buy some more$&"

##</code><code>##

@c=(@b=(++$n,bottle.'s'x@-,of,beer),on,the,wall),s//Take one down and pass it around, @c.

@c, @b.
/until/, 99\D+/;print$'."Go to the store and buy some more$&"