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Video of How To Write Bash Scripts In Linux - Complete Guide (Part 5 - If Statements) in Bash Scripting course by Learn Linux TV channel, video No. 5 free certified online
Learn how to use If statements in Bash scripting with this beginner-friendly tutorial! In this episode of LearnLinuxTV’s complete Bash Scripting course, you’ll discover how conditional logic works in Bash. We’ll cover how to structure If statements, when to use them, and why they’re essential for creating decision-making scripts. With clear explanations and practical examples, this video will help you level up your scripting skills and write smarter, more dynamic Bash scripts.
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Individual Sections
00:00 - Pre-Intro
00:48 - Intro
01:13 - Understanding "If Statements" in Bash and why they're useful
01:42 - An example of an If Statement within a Bash Script on Linux
04:43 - Marking the script executable and running it
07:19 - Creating an If/Else conditional in Bash
12:07 - Using an If Statement in a Bash Script to check for the existence of a file
14:22 - Further explanation of checking for the existence of files and directories on Linux
15:20 - Using the which command on Linux to check if a command is present
16:19 - Creating a Bash Script to install a package if it's not already installed
21:52 - How to use the apt command inside a Bash Script on Linux
23:02 - Using the -y option with apt to assume yes (bypass/skip prompts)
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
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