RosettaCodeData/Task/File-input-output/Delphi/file-input-output-1.delphi

var
  f : TextFile ;
  s : string ;
begin
  AssignFile(f,[fully qualified file name);
  Reset(f);
  writeln(f,s);
  Reset(f);
  ReadLn(F,S);
  CloseFile(
end;