Bash Scripting for Beginners: Complete Guide to Getting Started - Basic Math (Part 4)

Performing math operations in Bash is a bit different than on other platforms, so it may prevent some future confusion if you learn about these things now. And why not? This tutorial is only six minutes long and there's plenty of worse things you can spend your time on, so check out this Bash tutorial and learn how to perform basic math functions!
Brand New Ansible Course Available
Check out the new course on Udemy! It covers everything you need to get started with Automation.
https://learnlinux.link/ansible
SUPPORT LINUX LEARNING!
• Grab some Linux swag https://merch.learnlinux.tv
• Become a Channel Member https://learnlinux.link/member
• Become a Patron https://learnlinux.link/patron
• 5% discount on LPI exam vouchers https://learnlinux.link/lpi-voucher
• Check out my latest book https://ubuntuserverbook.com
• Grab an awesome Pi-powered KVM https://learnlinux.link/tinypilot
• Jay's Gear - Server, Computer and Video Production Stuff https://learnlinux.link/amazon
_Note: Royalties and/or commission is earned from each of the above links_
Individual Sections
00:00 - Intro
01:00 - Math is handled differently in Bash
01:28 - The "evaluate expression" command (expr) in Bash
02:37 - Multiplication in Bash (and how to use an escape symbol)
03:48 - Using variables with math expressions
OTHER BASH SCRIPTING SERIES EPISODES
- Class 01 Introduction: https://linux.video/bash1
- Class 02 Hello World: https://linux.video/bash2
- Class 03 Variables: https://linux.video/bash3
- Class 04 Math Functions: https://linux.video/bash4
- Class 05 If Statements: https://linux.video/bash5
- Class 06 Exit Codes: https://linux.video/bash6
- Class 07 While Loops: https://linux.video/bash7
- Class 08 Universal Update Script: https://linux.video/bash8
- Class 09 For Loops: https://linux.video/bash9
- Class 10 Where To Store Your Scripts: https://linux.video/bash10
- Class 11 Data Streams: https://linux.video/bash11
- Class 12 Functions: https://linux.video/bash12
- Class 13 Case Statements: https://linux.video/bash13
- Class 14 Scheduling Jobs (Part 1): https://linux.video/bash14
- Class 15 Scheduling Jobs (Part 2): https://linux.video/bash15
- Class 16 Arguments: https://linux.video/bash16
- Class 17 Building a Backup Script: https://linux.video/bash17
- Class 18 Closing: https://linux.video/bash18 FULL LINUX COURSES FROM LEARN LINUX TV
• Linux Crash Course https://linux.video/cc
• Learn tmux https://linux.video/tmux
• Learn vim https://linux.video/vim
• Bash Scripting Series https://linux.video/bash
• Proxmox VE https://linux.video/pve
• Getting Started with Ansible (Udemy) https://learnlinux.link/ansible
• LPI Linux Essentials Workshop (Udemy) https://learnlinux.link/linux-essentials
LEARN LINUX TV ON THE WEB
• Main site https://www.learnlinux.tv
• Community https://community.learnlinux.tv
• Official Github Account https://github.com/LearnLinuxTV
• Enterprise Linux Security Podcast https://enterpriselinuxsecurity.show
• The Homelab Show Podcast https://thehomelab.show
• Jay on Udemy https://www.udemy.com/user/jay-lacroix-3
• Jay on Twitter https://x.com/JayTheLinuxGuy
• Content Ethics https://www.learnlinux.tv/content-ethics
• Request Assistance https://www.learnlinux.tv/request-assistance
DISCLAIMER
Learn Linux TV provides technical content that will hopefully be helpful to you and teach you something new. However, this content is provided without any warranty (expressed or implied). Learn Linux TV is not responsible for any damages that may arise from any use of this content. Always make sure you have written permission before working with any infrastructure and that you are compliant with all company rules, change control procedures, and local laws.
#linux #baschscripting #linuxforbeginners