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Both ZSH and Bash have some built-in string manipulations that can be useful at times. Substrings Given a test string: word='hello - world - how - are - you' Take elements

One necessity is dealing with Arrays as a data structure in any kind of language or interpreter. The Linux Documentation Project has lots of documentation, but lacks IMHO concise and straightforward…

One especially impressive feature of zsh is its context-sensitive completion system. With zsh, you can use the tab key to complete file names, command flags, shell variable names, and even scripting language syntax.

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Looking the "Array" section in the bash(1) man page, I didn't find a way to slice an array. So I came up with this overly complicated function: #!/bin/bash # @brief: slice a bash array # @arg1:

How do I convert command-line arguments into a bash script array? I want to take this: ./something.sh arg1 arg2 arg3 and convert it to myArray=( arg1 arg2 arg3 ) so that I can use myArray for

The following post solution works as expected: How to pass an array as function argument? Therefore - from his answer: function copyFiles() { arr=("$@") for i in "${arr[@]}&q...

How can I get a slice of $@ in Bash without first having to copy all positional parameters to another array like this? argv=( "$@" ) echo "${argv[@]:2}";

If I have an array with 5 elements, for example: [a][b][c][d][e] Using echo ${myarray[4]} I can see what it holds. But what if I didn't know the number of elements in a given array? Is there a way of

Consider the array foo, initialized like this: $ foo=( a b '' d e f g ) foo contains 7 elements, one of which is an empty string. Below are a few ways to print out the contents of foo, using the...

General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software. - ziglang/zig: General-purpose programming language and toolchain for maintaining robust, ...

Enter the weird, wondrous world of Bash arrays.

What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@

TL;DR 本文主要讨论了 bash 数组和利用 Shell Expansion 语法对数组进行操作，由于写了

Learn how to use seq command line and the bash braces expansion to generate sequences of letters or numbers in your shell scripts.

A useful way of expanding lists automatically

Bash Reference Manual: Shell Expansions

shell扩展是个大话题，主要有以下几种扩展： 1、brace expansion（花括号扩展）； 2、tilde expansion（代字符号扩展）； 3、parameter expansion（参量扩展）； 4、variable expansion（变量扩展）； 5、command substitution（命令替换）； 6、arithmetic expansion（算术扩展）；

最近在梳理bash知识的的过程中，有幸阅读了man bash文档，一时间犹如醍醐灌顶一般，很多当初不明白的地方都豁然开朗，现在就其中的一点做一分享，同时也为man bash做一下广告，当你面对bash