Linux Shell Script: How to Prompt for User Input with Yes, No, and Cancel Options
Introduction In the world of Linux shell scripting, user interaction is a crucial aspect of creating dynamic, user-friendly scripts. Whether you're automating system maintenance tasks, creating interactive scripts for software installations, or simply gathering input from users, knowing how to prompt for responses is key. This article will walk you through the process of using a **Linux shell script to prompt for user input** with the classic **Yes, No, and Cancel options**. We will explore basic and advanced methods, show how you can process these inputs effectively, and address common issues. Why Use Yes, No, and Cancel in Shell Scripts? When scripting in Linux, you often need to make decisions based on user input. Asking users to respond with "Yes," "No," or "Cancel" provides a simple and effective way to guide the flow of the script. Here are a few practical applications for these prompts: Confirm actions: Before performing potentially risky operat...