Author: Tessa Blakeley Silver This title will take you through the ins and outs of creating sophisticated professional themes for the WordPress personal publishing platform. It will walk you through clear, step-by-step instructions to build a custom
数据分析 画图必备 SigmaPlot www.systatsoftware.com Page | 1 Licensed at the University of Calgary Last updated: April 28, 2016. SigmaPlot advanced scientific graphic and statistical analysis. SigmaPlot features are now applied in real time to data from inst
Linux最强三剑客 sed grep awk 写的很不错，值得收藏。20192/19
不看绝对后悔的Lnux二剑客之aw实战精讲-飞得更高-51CTO博客
mail x mail var spool mail sbin nologin
uucp x uucp var spool uucp sbin nologin
思路
让所有单词排成一列,这样每个单词都是单独的一行
1)设置RS值为空格
2)将文件里面的所有空格替换为回奂行符n
3)grep所有连续的字母,grep-0参数让他们排成一
