switch case in bash script

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Bash under Linux

Basic syntax for BASH The simplest example of--hello world! About input, output, and error outputs Rules for variables in BASH (similarities and differences with C language) Basic Process Control syntax in BASH Use of

Linux Bash Shell Programming Quick Start

Basic syntax for BASH The simplest example of--hello world! About input, output, and error outputs Rules for variables in BASH (similarities and differences with C language) Basic Process Control syntax in BASH Use of

[Linux] Basic syntax for BASH

The simplest example of--hello world! About input, output, and error outputs Rules for variables in BASH (similarities and differences with C language) Basic Process Control syntax in BASH Use of functions 2.1 Simplest example

bash colors, variables, arrays, related script examples

Here's what bash is about, including Bash's color code, Bash's four-class files, how variables are handled in bash, array variables, the shell's procedural programming language, and some simple scripting examples.One, bash color display rules (color

Bash Shell Programming Quick Start Tutorial

Shell commonly known as shell (used to distinguish from the kernel), refers to the "user interface to provide users" command parser (software). It is similar to DOS command and later cmd.exe. It receives the user command and then invokes the

Play Bash script: Select the case of the structure

Total 5th article Before we talked about if. This time we'll talk about another alternative structure--case. Case and if If the condition is used for selection, not a lot of circumstances, if the choice of conditions too much, a series of If,elif,

Use Bash to write Linux shell scripts-parameters and sub-shells

To become a flexible tool, a qualified script must provide additional information to describe the role of the script, how it is executed, and where it is executed. Like the command, the script also uses parameters. Switches and parameters increase

BASH Learning notes Summary _linux Shell

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

"Go" Linux tips: Bash parameters and Parameter extensions

Focus on Listing 7Now, many Linux® and UNIX® systems have bash shells, which are the common default shells on Linux. In this article, you'll learn how to handle parameters and options in a bash script, and how to use the shell's parameter extensions

Bash basic programming Summary

Bash should be the most popular shell script interpreter in Linux. (another shell is called Dash. I hate it too much .), As long as you work on Linux and want to enjoy yourself, you should be familiar with the most basic bash programming, because it

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