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(iso, using DCG)
| Date: | 04/28/11 |
| Author: | none |
| URL: | n/a |
| Comments: | 0 |
| Info: | n/a |
| Score: |  (2.91 in 11 votes) |
% 99 bottles of beer song implemented in Prolog
kiom(N,_) --> {N > 0, number_chars(N,A)}, A.
kiom(0,I) --> {I =:= 1}, ['No more'] ; ['no more'].
suff(N) --> {N =\= 1}, ['s'] ; [ ].
beer(N,X) --> kiom(N,X), [' bottle'], suff(N), [' of beer'].
wall(N,X) --> beer(N,X), [' on the wall'].
take(N) --> {N > 0}, ['Take one down and pass it around' ].
take(0) --> ['Go to the store and buy some more'].
koplo(N) --> wall(N,1), [', '], beer(N,2), ['.\n'], {M is (N-1) mod 100},
take(N ), [', '], wall(M,2), ['.\n'].
kanto(N) :- koplo(N,X,[]), findall(_,(member(E,X),print(E)),_),
( N =:= 0 ; M is N-1, nl, kanto(M) ), !.
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Alternative Versions
| Version | Author | Date | Comments | Rate |
|---|---|---|---|---|
| Tweaked Remkos version | M@ | 11/28/05 | 2 | |
| ISO Prolog w/ red cuts | Brent Spillner | 04/12/06 | 1 | |
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