{Reset.PAS}
  ▀▀▀▀▀▀▀▀▀▀▀▀▀
 {Sample code for the Reset procedure.}

  function FileExists(FileName: String): Boolean;
 { Boolean function that returns True if the file exists;otherwise,
    it returns False. Closes the file if it exists. }
 var
   F: file;
 begin
   {$I-}
   Assign(F, FileName);
   Reset(F);
   Close(F);
   {$I+}
   FileExists := (IOResult = 0) and (FileName <> '');
  end;  { FileExists }

 begin
   if FileExists(ParamStr(1)) then {Get file name from command line}
     Writeln('File exists')
   else
     Writeln('File not found');
 end.