bash copy array

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Zsh vs. bash is not completely contrasted, Zsh is a more powerful shell that becomes the "ultimate"

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

Linux application Environment Practical 10:bash aesthetics and Philosophy in script programming language

Read Catalogue First, everything is a string Two, references and metacharacters Three, where does the string come from, where to go Four, plus a little bit of definition, you can push to export the entire Bash scripting language

Linux system study notes: BASH programming

Linux system learning notes: BASH programming uses var (elementelement...) to create array variables. When referencing elements in an array, use $ {var [I]}, I as the subscript, subscript @ to copy the original array, and subscript * to copy the

Basic analysis of Linux operating system (vii)--bash (Shell) Basics (4)

Ix. unfoldingThe expansion of the command line is done after splitting the word into words. There are seven types of expansion: curly brace expansion, wavy line expansion, parametric and variable expansion, command substitution, arithmetic expansion,

Shell,bash,git Bash,xshell,ssh

One:The shell is the shell of the Linux/unix system, and it can be understood as the command line interface, where you enter and execute the command line.Bash (born again shell) is one of the shell's most commonly used shells. you run on your Linux:

Learning bash notes-input and output, bash hide output

Learning bash notes-input and output, bash hide output1. I/O redirection The I/O redirection is as follows: Cmd1 | cmd2: pipeline that receives the standard output of cmd1 as the standard input of cmd2. > File: redirects standard output to file.

Thank you---------Linux Bash programming

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Bash Script Learning notes Quick Start article

Script Security All of my bash scripts start with the following lines: The code is as follows Copy Code #!/bin/bashSet-o NounsetSet-o Errexit Doing so avoids two common problems: Reference to an undefined

Basic analysis of Linux operating system (vii)--bash (Shell) Basics (2)

Iii. Command HistoryBash has absorbed a lot of essence from the Korn shell and the C shell, one of which formally holds the feature of a cached copy of the executed command, which we call the "command history" feature.Why should we use the command

Bash programming arrays and string handling

Bash programming arrays and string handlingDirectoryNote Date 20180405ArrayFame (Create) array declare-a array_nameAssignment of array elements array_name= ("VAL1" "VAL2" "VAL3" ...)Referencing an array element: ${array_name[index]}Bash's string

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