如: bb.c的内容如下 d;lakjdfa;sflkasd;flkdsjf asdfa;slfkjasd;lfkjasdf ========================B============== aa at at a df as f asf ========================C============== 删除===B==与====C===之间的内容 root@livedoor-lg:~# sed -ne '1,/==B==/p;/==C==/,$ p' bb.c d;lakjdfa;sflkasd;flkdsjf asdfa;slfkjasd;lfkjasdf ========================B============== ========================C==============