摘要：
Linux三剑客之grep Linux三剑客之sed awk 1、描述 awk等同于gawk，擅长处理列以及数据信息的统计 2、语法结构 awk [参数] '模式-动作' 文件 3、awk内置变量 $NF The number of fields in the current input recor 阅读全文
摘要：
Linux三剑客之grep Linux三剑客之awk 1、描述 Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or in 阅读全文
摘要：
Linux三剑客之awk Linux三剑客之sed 一、grep 1、描述 grep searches the named input FILEs (or standard input if no files are named, or if a single hyphen-minus (-) is 阅读全文