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:-include('../listprologinterpreter/la_files.pl').
:-include('../listprologinterpreter/la_maths.pl').
:-include('../listprologinterpreter/la_strings.pl').
:-include('../listprologinterpreter/la_strings_string.pl').
data_to_stems :-
directory_files("data_files/",F),
delete_invisibles_etc(F,G),
findall([Filex1,Header,Footer,Instruments],(member(Filex1,G),
string_concat("data_files/",Filex1,Filex),
phrase_from_file_s(string(File_codes), Filex),
%string_codes(File_string,File_codes),
%atom_to_term(String02b,Data_file,[])
%A=`b i `,
%trace,
ba(File_codes, Header,Footer,Middle),
%string_codes(Middle2,Middle),
%trace,writeln1(Middle2),
% retrieve data to make stem files
%length(B,6),
%foldr(B,Middle,_)
%trace,
%writeln1(split_on_instrument(Middle,[],Instruments)),
%trace,
split_on_instrument(Middle,[],Instruments) %,
%writeln( split_on_instrument(Middle,[],Instruments))
%
),String00),
%writeln(String00),
findall(_,(member([File,Header,Footer,Instruments],String00),
length(Instruments,Length),
numbers(Length,1,[],Ns),
findall(_,(member(N,Ns),get_item_n(Instruments,N,Instrument),
foldr(string_concat,[Header,Instrument,Footer],"",File1),
%trace,
%File=File2,
string_concat(File2,".txt",File),
foldr(string_concat,["stems/",File2,"-","stem",N,".txt"],"",File_name),
save_file_s(File_name,File1)),_)),_),!.
ba(File_codes, Header,Footer,Middle) :-
%trace,
A=`BA 1 CR 0 TR 1 CH 1 Instrument `,
append(Header2,D2,File_codes),
string_codes(Header,Header2),
append(A,D,D2),
%trace,
foldr(append,[A,D],[],D4),
reverse(D4,File_codes_reversed),
append(Footer1,D3,File_codes_reversed),
append(`\n`,_D1,D3),
reverse(Footer1,Footer2),
string_codes(Footer,Footer2),
foldr(append,[%`\n`,
D3],[],E),
reverse(E,Middle),
!.
split_on_instrument(Middle,Instruments1,Instruments2) :-
A=`Instrument`,
%writeln(Middle),
%trace,
%A=[i],
append(B,C22,Middle),
append(A,C12,C22),
%trace,
%writeln(here1),
(not((append(_B11,C11,C12),append(A,_C31,C11)))->
(string_codes(Middle1,Middle),
append(Instruments1,[Middle1],Instruments2));
%split_on_instrument(Middle,Instruments1,Instruments2) :-
(%A=`Instrument `,
%trace,
%append(_B10,C2,Middle),
%append(A,C,C2),
%trace,
append(B1,C3,C12),
append(A,C1,C3),
%writeln(here2),
%trace,
%reverse(B1,B_reversed),
%append(Start_of_instrument1,D3,B_reversed),
append(D33,Start_of_instrument1,B1),
reverse(D33,D3),
reverse(D3,D31),
%writeln(here3),
append(`\n`,_D1,D3),
append(End_of_instrument1,D22,C1),
foldr(append,[B,A,D31],[],D32),
append(`\n`,D21,D22),
%trace,
End_of_instrument1=End_of_instrument,
%reverse(End_of_instrument1,End_of_instrument),
%reverse(D21,D2),
D21=D2,
%writeln(here4),
%trace,
reverse(Start_of_instrument1,Start_of_instrument2),
append(B41,C4,Start_of_instrument2),
append(`\n`,C41,C4),
reverse(B41,B412),
reverse(C4,C42),
reverse(C41,C412),
reverse(Start_of_instrument1,Start_of_instrument),
foldr(append,[B412,A,C1%Start_of_instrument1,A,C1
],[],Instrument1),
Instrument1=Instrument2,
%*/
D34=D32,
foldr(append,[D34,C42],[],D441),
string_codes(D44,D441),
append(Instruments1,[D44],Instruments31),
%flatten(Instruments31,Instruments32),
/*
writeln([b412,B412]),
writeln([c42,C42]),
writeln([c412,C412]),
writeln([b41,B41]),
writeln([c4,C4]),
writeln([c41,C41]),
writeln([d3,D3]),
writeln([b,B]),
writeln([c22,C22]),
writeln([c12,C12]),
writeln(C12),
writeln([c1,C1]),
writeln([b1,B1]),
writeln([d32,D32]),
writeln([start_of_instrument1,Start_of_instrument1]),
writeln([end_of_instrument1,End_of_instrument1]),
%trace,
%append()
writeln(split_on_instrument(Instrument1,Instruments31,Instruments2)),
*/
split_on_instrument(Instrument1,Instruments31,Instruments2))),!.
stems_to_mid :-
check_asc2mid,
directory_files("stems/",F),
delete_invisibles_etc(F,G),
findall(_,(
member(File,G),
string_concat(File1,".txt",File),
foldr(string_concat,["./asc2mid stems/",File," > mid/",File1,".mid"],Command),
shell1_s(Command)
),_),!.
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