Função GetDosOutput

gistfile1.txt

Function GetDosOutput(CommandLine, Work: string): string;
var SA: TSecurityAttributes;
    SI: TStartupInfo;
    PI: TProcessInformation;
    StdOutPipeRead, StdOutPipeWrite: THandle;
    WasOK: Boolean;
    Buffer: array[0..255] of AnsiChar;
    BytesRead: Cardinal;
    WorkDir: string;
    Handle: Boolean;
begin
  Result := '';
  with SA do
    begin
      nLength := SizeOf(SA);
      bInheritHandle := True;
      lpSecurityDescriptor := nil;
    end;
  CreatePipe(StdOutPipeRead, StdOutPipeWrite, @SA, 0);
  try
    with SI do
      begin
        FillChar(SI, SizeOf(SI), 0);
        cb := SizeOf(SI);
        dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES;
        wShowWindow := SW_HIDE;
        hStdInput := GetStdHandle(STD_INPUT_HANDLE); // don't redirect stdin
        hStdOutput := StdOutPipeWrite;
        hStdError := StdOutPipeWrite;
      end;
    WorkDir := Work;
    Handle := CreateProcess(nil, PChar('cmd.exe /C ' + CommandLine), nil, nil, True, 0, nil, PChar(WorkDir), SI, PI);
    CloseHandle(StdOutPipeWrite);
    if Handle then
      try
        repeat
          WasOK := ReadFile(StdOutPipeRead, Buffer, 255, BytesRead, nil);
          if BytesRead > 0 then
            begin
              Buffer[BytesRead] := #0;
              Result := Result + Buffer;
            end;
        until not WasOK or (BytesRead = 0);
        WaitForSingleObject(PI.hProcess, INFINITE);
      finally
        CloseHandle(PI.hThread);
        CloseHandle(PI.hProcess);
      end;
  finally
    CloseHandle(StdOutPipeRead);
  end;