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Last Updated: June 11, 2026

Introduction to Essential Ruby Libraries Introduction

FileUtils If you're used to managing your file system in a UNIX or Linux system, you should find FileUtils familiar, as it closely ... Digest In this lesson you'll learn about the Digest module. Digest supplies a number of hash functions—one-way functions that ... Final Review That wraps it up for this course! I hope you've learned something new about CSV One of the many different approaches to storing data is in a flat file. CSV is a commonly-used plain-text format for tabular data ... Try Brilliant free for 30 days You'll also get 20% off an annual premium subscription

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Essential Ruby Libraries: Introduction

Essential Ruby Libraries: Introduction

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Ruby in 100 Seconds

Ruby in 100 Seconds

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Essential Ruby Libraries FileUtils

Essential Ruby Libraries FileUtils

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FileUtils If you're used to managing your file system in a UNIX or Linux system, you should find FileUtils familiar, as it closely ...

Essential Ruby Libraries Digest

Essential Ruby Libraries Digest

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Digest In this lesson you'll learn about the Digest module. Digest supplies a number of hash functions—one-way functions that ...

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