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Power-Programmierung
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CD1.mdf
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prolog
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library
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prolo_c
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exampl44.pro
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Text File
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1986-10-06
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580b
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28 lines
/* Program 44 */
/*
Enter a file name, like EXAMPL43.PRO, and
explore it with this program.
*/
domains
file = input
predicates
start
inspect_positions
goal
start.
clauses
start:-
write("Which file do you want to \nwork with ? "),
readln(FileName),
openread(input,FileName),
inspect_positions.
inspect_positions:-
readdevice(keyboard),nl,write("Position Number:"),
readreal(X),
readdevice(input),filepos(input,X,0),readchar(Y),
write(Y),inspect_positions.