标签:host localhost echo test 输出 file div roo 使用
rev 按行反向输出文件内容
rev file
[root@localhost ~]# echo {a..k} >> test [root@localhost ~]# cat test a b c d e f g h i j k [root@localhost ~]# rev test k j i h g f e d c b a [root@localhost ~]# echo {a..k} |rev k j i h g f e d c b a
标签:host localhost echo test 输出 file div roo 使用
原文地址:https://www.cnblogs.com/joechu/p/8947814.html