<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[yangxiaoluck的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/yangxiaoluck</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; yangxiaoluck]]></copyright><item><title><![CDATA[awk学习]]></title><link>https://blog.youkuaiyun.com/yangxiaoluck/article/details/47663431</link><guid>https://blog.youkuaiyun.com/yangxiaoluck/article/details/47663431</guid><author>yangxiaoluck</author><pubDate>Fri, 14 Aug 2015 16:10:28 +0800</pubDate><description><![CDATA[1. awk命令格式和选项
awk [options] 'script' var=value file
例如：awk '{print str}' str="hello" file
awk [options] -f script.file


2.模式和操作
awk脚本由模式和操作组成
pattern {action} ， 如 awk '/yang/ {print $1}' file]]></description><category></category></item></channel></rss>