awesome stream editor
About the Book
The book heavily leans on examples to present features of sed as well as regular expressions one by one. It is recommended that you manually type each example and experiment with them. Understanding both the nature of sample input string and the output produced is essential.
You should have prior experience working with command line and bash shell, should know concepts like file redirection, command pipeline and so on.
Exercises are also included to test your understanding.
Visit https://github.com/learnbyexample/learn_gnused for code snippets and files used for examples/exercises in the book. The repo also has solutions for exercises.
3. In-place file editing
4. Selective editing
5. BRE/ERE Regular Expressions
7. Shell substitutions
8. z, s and f command line options
9. append, change, insert
10. Adding content from file
11. Control structures
12. Processing lines bounded by distinct markers
13. Gotchas and Tricks
14. Further Reading
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