Bash Shell Script Ace: Unix & Linux Guide-Bash Shell Scripting Guide

Example

Writing a script to automate the backup of files in a directory, with comments explaining each step and adhering to best practices for error handling.

Scenario

A systems administrator needs to create a script that runs daily backups of critical files. In General Mode, they can focus on writing a script that is both efficient and adheres to production standards.

Example

Answering a question about how to use `grep` to filter log files for error messages and then processing those lines with `awk`.

Scenario

A job candidate is preparing for a technical interview where they might be asked to demonstrate their proficiency with Unix utilities like `grep` and `awk`. In Interview Mode, they can practice solving such problems at various levels of difficulty.

Example

Learning how to use Bash arrays by following a demonstration that shows how to store and iterate over a list of filenames.

Scenario

A developer new to Bash scripting wants to understand how arrays work in Bash. By exploring example commands and demonstrations, they can see how to implement and manipulate arrays effectively.