Session - 87 | Passing Arguments to Bash Scripts ($1, $@, $# Explained) | Nehra Classes
Session 87 | Passing Arguments to Bash Scripts
In this session, we explore how to pass and handle command-line arguments in Bash shell scripts. You will learn how arguments make scripts dynamic, reusable, and more powerful for real-world automation tasks.
This session covers:
Why arguments are used in Bash scripts
Positional parameters: $0, $1, $2, $@, $#, and $*
Printing and accessing multiple arguments
Using $@ vs $* correctly
Iterating over arguments using loops
Storing arguments in arrays
Validating the number of arguments passed
Practical examples, including a file backup script
Best practices for safely handling arguments
By the end of this session, you will be able to write robust Bash scripts that accept user input from the command line and handle it efficiently.
Prerequisite: Basic knowledge of Linux and Bash scripting
Ideal for: Beginners, DevOps learners, and Linux administrators
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🕒 Timestamps:
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00:00:17 - Session Overview
00:01:00 -
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