<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[waynecook的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/waynecook</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; waynecook]]></copyright><item><title><![CDATA[linux 中 awk sed cut sort 常规操作]]></title><link>https://blog.youkuaiyun.com/waynecook/article/details/119575259</link><guid>https://blog.youkuaiyun.com/waynecook/article/details/119575259</guid><author>waynecook</author><pubDate>Tue, 10 Aug 2021 17:40:49 +0800</pubDate><description><![CDATA[awk
awk语言的最基本功能是在文件或者字符串中基于指定规则浏览和抽取信息，awk抽取信息后，才能进行其他文本操作。完整的awk脚本通常用来格式化文本文件中的信息。
通常，awk是以文件的一行为处理单位的。awk每接收文件的一行，然后执行相应的命令，来处理文本。
默认以空格符作为分隔符将每行切片
awk --help
Usage: awk [POSIX or GNU style options] -f progfile [--] file ...
Usage: awk [POSIX or GNU styl]]></description><category></category></item><item><title><![CDATA[Spark Streaming 滑动窗口实践]]></title><link>https://blog.youkuaiyun.com/waynecook/article/details/119038170</link><guid>https://blog.youkuaiyun.com/waynecook/article/details/119038170</guid><author>waynecook</author><pubDate>Fri, 23 Jul 2021 17:03:35 +0800</pubDate><description><![CDATA[import org.apache.spark.SparkConf
import org.apache.spark.streaming.{Seconds, StreamingContext}
import org.apache.spark.streaming.dstream.{DStream, ReceiverInputDStream}
import org.junit.Test

/** spark 滑动窗口测试（slide window）
  *
  * 参考 https://www.cnblogs..]]></description><category></category></item></channel></rss>