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[Familiar with Linux] grep \ egrep \ fgrep and regular expression of the text processing tool, egrepfgrep It is often said that there are three swordsmen for text processing on Linux, grep, sed, and awk. This article gives a detailed description of

1. VI IntroductionVI is a very common full-screen document editor in the Unix world. It can be said that almost anyAll UNIX machines provide this set of software. There are also Linux. Its VI is actually Elvis.(Copyright issues), but they are

I still recommend all new vim friends first go to use vimtutor practice, and then go to see Vim's help document, write very carefully, and can immediately combat, effective quickly, many of the following are the examples of VIM help document, I feel

There are many text editors, including gedit and kwrite in graphic mode, Vi, VIM (enhanced version of VI), and nano in text mode. VI and Vim are the most commonly used editors in Linux. Someone once said that there are three kinds of people in the

1, summarize the text editing tool vim use method;2, summarize the document Search command find use method;3, summarize the content of bash environment variable;4. Summarize the knowledge points of special permissions (SUID, SGID, Sticky) on Linux

PHP regular expression note what is a regular expression On the computer, we often use (wildcard) to find the files we need, for example, *. doc. here * indicates matching zero or multiple characters. Regular expressions are also a tool for text

  A regular expression is an object that describes the character mode. The Regexp object and string object in Javascript define a method that uses regular expressions to execute powerful pattern matching and text retrieval and replacement functions.

The King of text sorting: the sort command, the King sort Directory: 1.1 option description 1.2 sort example 1.3 in-depth research on sort Sort is a sorting tool that perfectly implements the Unix philosophy: "do only one thing and do it perfectly ".

Command description function key0 move to the front of the column where the cursor is located [home]$ Move to the last [end] of the column where the cursor is located[CTRL] [d] half a page [Pagedown][CTRL] [f] to the next page[CTRL] [u] up half page[

Vim getting started shortcut Luo chaohui (Http://blog.csdn.net/kesalin) Reprinted please indicate the source   Vim and EMAC are both powerful tools. Some time ago, I decided to familiarize myself with a set of cross-platform editors, so that I

From: http://coolshell.cn/articles/5426.html Basic commands: i→InsertMode, pressESCBackNormalMode. x→ Delete a character of the current cursor. :wq→ Save disk + exit (:wStorage,:qExit) (Chen Hao note: the file name can be followed after W) dd→

First, homework (exercise) content: 1, summarize the text editing tool vim use method;Vim (1). Command Explanation: Patterned editor (2). There are a number of different modes: Edit mode: Command mode Input mode: Insert

1 Packageregex;2 3 Public classTESTREG01 {4 Public Static voidMain (string[] args) {5 //"." Represents any character6System.out.println ("a". Matches (".")));7System.out.println ("as". Matches (". S")));8 //\\d Indicates

1, summarize the text editing tool vim use method;2, summarize the document Search command find use method;3. Summarize the content of Bash environment variable and special permission on Linux file System .4 , summarizes the Linux Disk Management,

1, summarize the text editing tool vim use method;2, summarize the document Search command find use method;3, summarize the content of bash environment variable;4. Summarize the knowledge points of special permissions (SUID, SGID, Sticky) on Linux

PHP extension text processing -- PCRE regular expression syntax 3 -- escape sequence (backslash) backlash has multiple usage. First, if it is followed by a non-alphanumeric character, it indicates that the special meaning represented by this

Python growth path Article 3 (2) _ regular expressions, the path to python GrowthAdd an advertisement. Welcome to linux. python Resource Sharing Group No.: 478616847. directory: 1. What is a regular expression? introduction to regular expressions in

(Reprinted) Regular Expression 30 minutes getting started tutorial Author: deerchao Source: unibetter? You may have used wildcards for file search in Windows/Dos, that is, * and ?. If you want to find all the Word documents in a directory, you will

Vim Editor: Full-screen editor: VIM Vi:visual interface Sed: line Editor VI, VI improved Vim: Pattern: Edit mode: Command mode Input mode: Last-line mode: Edit mode--Input mode: I:insert, A:append, O:new Line, I: The beginning of the line A: End of

1, summarize the text editing tool vim use method;2, summarize the document Search command find use method;3, summarize the content of bash environment variable;4. Summarize the knowledge points of special permissions (SUID, SGID, Sticky) on Linux