我在一个文件夹中有大约700个文本文件，每个文件如下所示:ATOM46H1721QA18.7559.23619.1601.0010.00HATOM47H1821QA14.98613.63221.2861.0010.00HATOM48H1921QA14.07312.27920.5361.0010.00HATOM49H2021QA14.44712.24522.2931.0010.00HATOM50H2121QA1-0.0593.74418.5241.0010.00HATOM51H2221QA10.9152.26618.8271.0010.00HATOM52H2321QA1-0.8112.3