How to use bash array in a shell script

How to use bash array in a shell script

In this tutorial we will see how to use bash arrays and perform fundamental operations on them. Bash, the Bourne Again Shell, it’s the default shell on practically all major linux distributions: it is really powerful and can be also considered as a programming language, although not as sophisticated or feature-reach as python or other “proper” languages. Furthermore, the Bash scripting is a must skill for any Linux system administration job.

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Show Bash script usage

Show Bash script usage

Is it best practice to include usage in every Bash script that you create. This gives the user an idea of what options the script is expecting, so they can use it as intended. It also gives the script some error checking ability to make sure that the user has supplied arguments in the expected way.

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