Counting unique lines in a file is a common task in Linux. This article presents two efficient command-line methods: using sort and uniq, and using awk. Table of Contents Counting Unique Lines with sort and uniq Counting Unique Lines with awk Counting Unique Lines with sort and uniq This method…
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Mastering the Ruby Console: Executing Files and Commands
Ruby is a dynamic, open-source programming language praised for its elegance and readability. Mastering command-line interaction is crucial for any Ruby developer, regardless of experience level. This guide will walk you through executing Ruby files and commands directly from your console. Table of Contents Installing Ruby on Your System Running…
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Pretty Printing JSON in Python: A Comprehensive Guide
Table of Contents Understanding JSON and Its Importance Method 1: Using the json Module Method 2: Pretty Printing JSON from a File Method 3: Using json.tool for Command-Line Pretty Printing Conclusion FAQ Understanding JSON and Its Importance JSON (JavaScript Object Notation) is a lightweight, text-based data-interchange format widely used in…
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Mastering Git Diff: A Comprehensive Guide
Git’s diff command is invaluable for understanding changes in your project. It allows you to compare different versions of your files, pinpoint modifications, and review changes before committing them. This tutorial will cover the core uses of git diff, focusing on clarity and practical application. Table of Contents Comparing Your…