Ruby one-liners cookbook
Ruby one-liners cookbook
Example based guide for text processing with Ruby from the command line
About the Book
The book heavily leans on examples and exercises to help you get comfortable with using Ruby from the command line. It is recommended that you manually type each example and experiment with them.
Prerequisites: You should be comfortable with programming basics and have prior experience working with Ruby. You should know concepts like blocks, be familiar with string/array/hash/enumerable methods, regular expressions etc. You should also have prior experience working with command line and bash shell and be familiar with concepts like file redirection, command pipeline and so on.
Visit https://github.com/learnbyexample/learn_ruby_oneliners for code snippets and exercise files. The repo also has solutions for exercises.
Testimonials
This Ruby one-liners cookbook is incredible. Pretty mind boggling all the stuff you can do.
— feedback on twitter
About the Author
Bundles that include this book
Table of Contents
1. Preface
2. One-liner introduction
3. Line processing
4. Field separators
5. Record separators
6. Multiple file input
7. Processing multiple records
8. Two file processing
9. Dealing with duplicates
10. Processing structured data
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