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Video of How To Write Bash Scripts In Linux - Complete Guide (Part 4 - Basic Math) in Bash Scripting course by Learn Linux TV channel, video No. 4 free certified online
Master basic math operations in Bash with this quick and easy tutorial! In this episode of LearnLinuxTV’s complete Bash Scripting course, you’ll learn how to perform arithmetic in Bash, including addition, subtraction, multiplication, and more. Bash handles math differently than other scripting languages, so understanding these concepts early on will help you avoid confusion down the road. This short tutorial is just six minutes long, and it’s packed with practical examples to boost your scripting skills.
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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
• Linux Crash Course https://linux.video/cc
• Netdata https://linux.video/netdata
• tmux https://linux.video/tmux
• vim https://linux.video/vim
• Bash Scripting https://linux.video/bash
• Proxmox VE https://linux.video/pve
• Ansible (Udemy) https://learnlinux.link/ansible
• Linux Essentials (Udemy) https://learnlinux.link/linux-essentials
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