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- Program Example23;
-
- { Program to demonstrate the FilePos function. }
-
- Var F : File of Longint;
- L,FP : longint;
-
- begin
- { Fill a file with data :
- Each position contains the position ! }
- Assign (F,'test.dat');
- Rewrite (F);
- For L:=0 to 100 do
- begin
- FP:=FilePos(F);
- Write (F,FP);
- end;
- Close (F);
- Reset (F);
- { If all goes well, nothing is displayed here. }
- While not (Eof(F)) do
- begin
- FP:=FilePos (F);
- Read (F,L);
- if L<>FP then
- Writeln ('Something wrong: Got ',l,' on pos ',FP);
- end;
- Close (F);
- Erase (f);
- end.
-