world_hello_100的专栏

////////////////////////////////////////////////////////////////I tried to remove all newlines in a pipe like this:(echo foo; echo bar) | sed -e :a -e N -e '$!ba' -e 's/\n/ /g' | hexdump -C

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Quick StartTutorialTools & LanguagesExamplesReferenceBook ReviewsEasily use the power of GNU regular expressions with RegexBuddy.Create, analyze a

根据这坛里的链接找到的台湾出品的几篇好贴,感觉很不错,又受到了一次基础培训和巩固复习.所以收藏后也共享给大家,谢谢!引用：Regular Expression 简介中央研究院计算中心ASPAC 计划aspac@phi.sinica.edu.tw技术报告: 940191995 年 2 月 9 日Version : 1.0版权声明 目录 Why Regular Expression 组成 Regula

根据这坛里的链接找到的台湾出品的几篇好贴,感觉很不错,又受到了一次基础培训和巩固复习.所以收藏后也共享给大家,谢谢!Regular Expression 简介中央研究院计算中心ASPAC 计划aspac@phi.sinica.edu.tw技术报告: 940191995 年 2 月 9 日Version : 1.0版权声明 目录 Why

In regular, unquoted situations, every character with a backslash preceding it has it's backslash processed, whether it needs it or not.But inside quotes or a heredoc, only the few listed characte

12345678910111213141516^V-Key Console (80x25) Xterm (KDE) Xterm/Nxterm (Gnome)------ Disp Binary Disp Binary Disp BinaryHome ^[[1~ 1B 5B 31 7E ^[[H 1B 5B 48 ^[OH 1B 4F 48End ^[[4~ 1B 5B 34 7E ^[[F 1B

~  Home directory `   Command substitution (archaic:古代的；过时的，陈旧的；古体的；古色古香的)#   Comment $    Variable expression &   Background job *    String wildcard (    Start subshell )    End su

原创作品，允许转载，转载时请务必以超链接形式标明文章 原始出处 、作者信息和本声明。否则将追究法律责任。http://wangxiaoyu.blog.51cto.com/922065/624159getopt命令并不是bash的内建命令，它是由util-linux包提供的外部命令。相比较bash 的内置命令，getopt不只支持短参-s，还支持--longopt的长参数，甚至支持-lo

There's a code snippet in ABS guide.#!/bin/bash# uppercase.sh : Changes input to uppercase.tr 'a-z' 'A-Z'# Letter ranges must be quoted#+ to prevent filename generation from single-letter file

http://blog.youkuaiyun.com/liaoxinmeng/archive/2009/12/14/5004743.aspx首先：1。终端和控制台都不是个人电脑的概念,而是多人共用的小型中型大型计算机上的概念.一台主机,连很多终端,终端为主机提供了人机接口,每个人都通过终端使用主机的资源. 终端有字符哑终端和图形终端两种.控制台是另一种人机接口, 不通过终端与主机相连, 而是通

http://blog.youkuaiyun.com/againyuan/article/details/32385722008-11-06 15:47 652人阅读 评论(0)收藏 举报console可以是串口，也可以是vga，console确实是只能输出，write，内核打印。在UNIX系统中，计算机显示器通常被称为控制台终端（Console）。它仿真了类型为Linux的一种终

The short answer is thatterminal = text input/output environmentconsole = physical terminalshell = command line interpreterConsole and terminal are closely related. Originally, they meant a pi

A meta-meaning is the meaning of a term or expression on a higher level of abstraction. For example, the literal meaning of regular expression is an ordinary expression that conforms to accepted usage