Ruby Scripting

Introduction to Ruby, syntax, issuing external commands, array/string methods, regular expressions, file processing and more...
Suitable for those already familiar with programming concepts like variables, printing, control structures, looping, arrays, etc
- If you are new to programming, check out Think Ruby, a translation of Think Python by Allen Downey that I'm working on
This repo is also suitable as a material reference for a one/two day workshop
For more related resources, visit scripting course and my programming blog https://learnbyexample.github.io

Chapters

:warning: :construction: Work in progress, stay tuned...

Introduction
- Installation, Hello World example, Ruby REPL
Numbers and Strings
- Numbers, String, Objects and Expressions
Getting User input
- String input, Converting string to other data types
Methods
- Defining a method, Arguments and Return, Default valued arguments, Keyword arguments, Special method names, Variable Scope
Control Structures
- Boolean expressions, if, for, while, next and break, Variable Scope
Executing external commands
- Issuing commands, Saving command output
Arrays
- Assignment and Indexing, Slicing, Copying, Looping, Modifying elements, Filtering, Sorting and company, Transforming whole array, Miscellaneous, Getting Array as user input
Hashes
- Initialization, Accessing keys and values, Looping, Modifying elements, Filtering, Transforming keys and values, Mutable keys, Miscellaneous
Set
- Initialization, Set operations, Miscellaneous
String Methods
- String formatting, Looping, Condition checks, Case conversion, Search and Replace, Splitting, Character manipulations, Miscellaneous
Regular Expressions
- Why is it needed?, Syntax and operators, Anchors, Alternation and Grouping, Escaping metacharacters, Dot metacharacter and Quantifiers, match, scan and globals, Character class, Groupings and backreferences, Lookarounds, Modifiers, Unicode, Miscellaneous, Gotchas, Further Reading
File Processing
- Modes and Encoding, Reading files, Writing files, Interacting with File System
Exercises

Please open an issue for typos/bugs/suggestions/etc
- Please open an issue for discussion before submitting PRs
Share the repo with friends/colleagues, on social media, etc to help reach other learners
In case you need to reach me, mail me at echo '[email protected]' | tr 'a-z' 'n-za-m' or send a DM via twitter

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