bash escape

In bash, escape is a method for referencing a single character. the escape character (\ backslash) before a single character tells shell that this character does not need to be interpreted specially, and only serves as the literal meaning. however,

https://www.zhihu.com/question/21418449Mort | Zsh vs. Bash: Incomplete contrast resolution (1) 2014-10-07BdpqlxzWhat's the difference between zsh and bash?A lot of people have written about "why zsh is better than bash", "Why zsh is better than

Hive hql: from a string "P? A? B? C? PPP? Hhh "? As the separator, find the 5th string Bash program: Test. Sh#!/bin/bashhive -e "select (split('p?a?b?c?ppp?hhh','?'))[4]  from a limit 1;"Error:Caused by: Java. util. RegEx. patternsyntaxexception:

Recently, a "destruction-level" vulnerability-Bash software security vulnerability has emerged. This vulnerability was discovered by St & eacute; phane Chazelas, a French GNU/Linux enthusiast. Subsequently, the US Computer Emergency Response Center (

In our work, we often need to replace and add URLs from the text using SED. However, we often encounter the ambiguity in the SED of special characters in the URL so that it takes a lot of time to test when writing a bash script. So what are the

Linux Bash severe vulnerability emergency repair solution, bash severe vulnerability Recommendation: 10-year technical masterpiece: High-Performance Linux Server build Practice II is released across the network, with a trial reading chapter and full-

Bash string processing (against Java)-2. String Representation (String constant) In JavaYou know!Use single quotes to indicate character constants: 'C'Double quotation marks are used to indicate a String constant: "hello world" Java character escape\

Bash is arguably the most widely used shell in the *nix world, and one of its characteristics is the historical command (history) mechanism. This mechanism is mainly used for the convenience of the user-less knocking on the keyboard, improve work

1. Linux Scripting Basics 1.1 Basic Introduction to grammar 1.1.1 Start The program must start with the following line (must be on the first line of the file): #!/bin/sh The symbolic #! is used to tell the system that the parameters behind it

Article Title: Custom bash. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Finally, we installed the Solaris 1