PROGRAM GENERIC;


LABEL 100;

CONST ITERATIONS = 25;

TYPE INPUT_FILE  = TEXT;
     STRING80    = STRING[80];

VAR COUNTER      : INTEGER;
    OK           : BOOLEAN;
    LIMIT        : INTEGER;
    FOO_FACTOR   : INTEGER;
    BUFFER       : STRING80;
    DO_FILE      : INPUT_FILE;


PROCEDURE OPEN_A_FILE(VAR OK : BOOLEAN);

VAR I : INTEGER;

BEGIN
  ASSIGN(DO_FILE,'MYTEXT.TXT');
  {$I-} RESET(DO_FILE); {$I+}
  I := IORESULT;
  IF I = 0 THEN OK := TRUE ELSE OK := FALSE;
END;


FUNCTION CRUNCH_LINE(BUFFER : STRING80) : INTEGER;

VAR I      : INTEGER;
    BUCKET : INTEGER;

BEGIN
  CRUNCH_LINE := 0;
  IF LENGTH(BUFFER) > 0 THEN
    BEGIN
      BUCKET := 0;
      FOR I := 1 TO LENGTH(BUFFER) DO BUCKET := BUCKET +
        ORD(BUFFER[I]);
      BUCKET := BUCKET DIV LENGTH(BUFFER);
      CRUNCH_LINE := BUCKET
    END
END;


FUNCTION CRUNCH_FILE(VAR DO_FILE : INPUT_FILE) : INTEGER;

VAR PASSES : INTEGER;
    TEMP   : INTEGER;

BEGIN
  TEMP := 0;
  FOR PASSES := 1 TO ITERATIONS DO
    BEGIN
      RESET(DO_FILE);
      WHILE NOT EOF(DO_FILE) DO
        BEGIN
          READLN(DO_FILE,BUFFER);
          TEMP := TEMP+CRUNCH_LINE(BUFFER);
        END
    END;
  CRUNCH_FILE := TEMP DIV ITERATIONS
END;



BEGIN     { Main Program }
  OPEN_A_FILE(OK);
  IF NOT OK THEN 
    BEGIN
      WRITELN('>>The file cannot be opened.');
      GOTO 100
    END;
  FOO_FACTOR := CRUNCH_FILE(DO_FILE);
  WRITELN('>>Foo Factor for Input File is ',FOO_FACTOR);
  CLOSE(DO_FILE);
  WRITELN('>>Processing completed.');
  100:
END.