{Getenv.PAS}
  ▀▀▀▀▀▀▀▀▀▀▀▀▀▀
  {Sample code for the GetEnv function.}

 {$M 8192,0,0}
  uses Dos;

  var Command: string[79];
  begin
    Write('Enter DOS command: ');
    Readln(Command);
    if Command <> '' then
      Command := '/C ' + Command;
    SwapVectors;
    Exec(GetEnv('COMSPEC'), Command);
    SwapVectors;
    if DosError <> 0 then
      Writeln('Could not execute COMMAND.COM');
  end.