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SIMPLIN.MOD
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1989-01-18
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(* Chapter 8 - Program 2 *)
MODULE SimplIn;
FROM InOut IMPORT WriteString, WriteCard, WriteLn, Write,
ReadString, ReadCard, Read, EOL;
VAR Count, Number : CARDINAL;
List : ARRAY[1..6] OF CARDINAL;
StringOfData : ARRAY[1..80] OF CHAR;
Alpha : CHAR;
BEGIN
(* Example of reading in a word at a time *)
WriteString("Input three words of information.");
WriteLn;
FOR Count := 1 TO 3 DO (* Read 3 words in *)
ReadString(StringOfData);
WriteString("---->");
WriteString(StringOfData);
WriteLn;
END;
(* Example of character reading *)
WriteLn;
WriteString("Input 50 characters.");
WriteLn;
FOR Count := 1 TO 50 DO
Read(Alpha);
Write(Alpha);
END;
WriteLn;
(* Example of reading in a line at a time. *)
WriteLn;
WriteString("Input three lines of information.");
WriteLn;
FOR Count := 1 TO 3 DO (* count three lines *)
Number := 1;
REPEAT (* repeat until an end-of-line is found *)
Read(Alpha);
Write(Alpha);
IF Alpha # EOL THEN
StringOfData[Number] := Alpha;
Number := Number + 1;
END;
UNTIL Alpha = EOL;
StringOfData[Number] := 0C; (* End of string indicator *)
WriteString("---->");
WriteString(StringOfData);
WriteLn;
END;
(* Example of reading CARDINAL numbers in *)
WriteLn;
WriteString("Enter 6 CARDINAL numbers.");
WriteLn;
FOR Count := 1 TO 6 DO
ReadCard(List[Count]);
WriteLn; (* New line for separation of numbers *)
END;
WriteLn;
FOR Count := 1 TO 6 DO (* Now, write the numbers out *)
WriteCard(List[Count],8);
END;
WriteLn;
END SimplIn.
(* Result of execution
(The output depends on what is entered at the keyboard.)
*)