批處理怎樣刪除文本文檔里面的重復行怎麼實現對文本文檔裡刪除重複的行呢？如文本文檔1.txt，包含內容如下：10.87.0.138pefilea.txt10.87.0.138pefilea.txt10.87.0.138pefilea.txt10.87.0.138pefilea.txt10.87.0.138pefileb.txt10.87.0.138pefilec.txt10.87.0.138pefilec.txt怎麼去刪除重複的行，生成如下行呢？10.87.0.138pefilea.txt10.87.0.138pefileb.txt10.87.0.138pefilec.txt