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Network Programmability and Automation Fundamentals
book

Network Programmability and Automation Fundamentals

by Khaled Abuelenain, Jeff Doyle, Anton Karneliuk, Vinit Jain
May 2021
Intermediate to advanced content levelIntermediate to advanced
1232 pages
41h 29m
English
Cisco Press
Content preview from Network Programmability and Automation Fundamentals

Chapter 4

Linux Scripting

Recall from Chapter 1, “The Network Programmability and Automation Ecosystem,” and Chapter 2, “Linux Fundamentals,” that automation has been described as a process of breaking down a big task into smaller, repeatable tasks and then attempting to automate each of those repeatable tasks by doing the heavy lifting only once and having a tool repeat the task for you. This chapter gives you your first real taste of automation using programmability: writing scripts in the Bash programming language, more commonly referred to as the Bash scripting language. Scripts (whether in Bash or any other language) are written once and can, theoretically, be executed an infinite number of times.

A shell is a program that parses and interprets ...

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Publisher Resources

ISBN: 9780135183762