Start dftlib dftlib.io dftlib.io.export_txt dftlib.io.export_txt.export_dft_file dftlib.io.export_txt.export_dft_file¶ export_dft_file(dft: Dft, file: str) → None¶ Export DFT to textual format in file. :param dft: DFT. :param file: File.