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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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11
Task/Strip-comments-from-a-string/Prolog/strip-comments-from-a-string-1.pro Normal file
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stripcomment(A,B) :- stripcomment(A,B,a).
stripcomment([A|AL],[A|BL],a) :- \+ A=0';, \+ A=0'# , \+ A=10, \+ A=13 , stripcomment(AL,BL,a).
stripcomment([A|AL], BL ,a) :- ( A=0';; A=0'#), \+ A=10, \+ A=13 , stripcomment(AL,BL,b).
stripcomment([A|AL], BL ,b) :- \+ A=10, \+ A=13 , stripcomment(AL,BL,b).
stripcomment([A|AL],[A|BL],_M):- ( A=10; A=13), stripcomment(AL,BL,a).
stripcomment([],[],_M).
start :-
In = "apples, pears ; and bananas
apples, pears # and bananas",
stripcomment(In,Out),
format("~s~n",[Out]).

1
Task/Strip-comments-from-a-string/Prolog/strip-comments-from-a-string-2.pro Normal file
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strip_1comment(A,D) :- ((S1=0'#;S1=0';),append(B,[S1|C],A)), \+ ((S2=0'#;S2=0';),append(_X,[S2|_Y],B)) -> B=D; A=D.