grep得到的内容用sed处理 -E or Extended Regular Expressions I mentioned extended regular expressions earlier. FreeBSD (and Mac OS X) uses “-E” to enable this. However, FreeBSD later added the -r command to b
前言 博主github 博主个人博客http://blog.healerjean.com 1、xargs 1.1、文本内容相关 healerjean$ cat -n text.txt 1 a b c d e f g2 h i j k l m n3 o p q4 r s t 1.1.1、| xargs 单行输出文本所有内容 healerjean$ cat text.txt |