摘要：
1 如果仅仅是删除内容完全一样重复行则可以使用sort先进行排序然后使用 uniq进行删除重复数据即可例如 CUST.TXTTxt代码130000006800,17,151,01,250100130000006800,17,151,01,2501011300001077,17,151,01,2566001300002764,17,151,01,2566001300002764,17,151,01,2566301300003690,17,151,01,2566001300001077,17,151,01,2566001300004771,17,151,012566001300006064,17, 阅读全文
