About Lesson
In this lesson, you’ll learn the following:
- Processing multiple files in a single command.
- Example: Replace text across all
.txtfiles (sed -i 's/foo/bar/' *.txt).
Introduction to sed
In this section, you'll be introduced to sed, the powerful stream editor for Linux. You'll learn what sed is, why it's such a valuable tool for text processing, and how it compares to other command-line utilities like grep, awk, and cut. We'll cover the basics of sed's syntax and walk through your first sed command to get you comfortable with its usage. By the end of this section, you'll understand the core concepts of sed and be ready to dive into its practical applications.
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Basic sed Commands
In this section, you'll dive into the foundational commands of sed. Learn how to print, delete, and substitute text, as well as how to work with address ranges and perform in-place editing. Through hands-on examples, you'll gain confidence in using sed for everyday text manipulation tasks.
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Intermediate sed Techniques
Take your sed skills to the next level! This section covers regular expressions, capture groups, multiple commands, and branching. You'll also explore the concept of hold and pattern space, enabling you to tackle more complex text-processing challenges with ease.
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Advanced sed Techniques
Ready to master sed? This section delves into advanced features like conditional execution, reading and writing files, and scripting. You'll learn how to combine commands, optimize performance, and write powerful sed scripts for sophisticated text manipulation tasks.
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Real-World Examples and Use Cases
Put your sed knowledge into practice! This section focuses on real-world applications, including log file processing, CSV/HTML manipulation, code refactoring, and text cleanup. You'll see how sed can save time and effort in everyday workflows.
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Tips, Tricks, and Best Practices
Learn how to use sed like a pro! This section covers performance optimization, debugging techniques, and best practices for writing clean and maintainable sed scripts. You'll also discover how to combine sed with other command-line tools for maximum efficiency.
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Hands-On Projects
Apply everything you've learned in this final section! You'll work on three hands-on projects: building an automated log analyzer, creating a data transformation pipeline, and refactoring code using sed. These projects will solidify your skills and prepare you for real-world text-processing challenges.
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