The core Unix tools: grep, sed, and awk.
Cleansing the Raw Ore: Practical Text Transformation
A practical guide to turning messy university records into clean, structured data using Sed and Awk.
The Trinity
The Surgical Strike: Text Manipulation as a Craft
Moving beyond ‘Find and Replace’. Why Grep, Sed, and Awk are the essential tools for any data architect.
Sed: The Header Sanitizer
Turning messy CSV headers into clean, predictable data. A lesson in stream editing for the everyday analyst.
The Command-Line Analyst: Who Needs Python?
Can you do data science at the command line? Yes. Why the Trinity is often superior to Python for daily data tasks.
The Lightweight Laboratory: Data Science at the CLI
Learning from the masters: How to employ heavy tools only when necessary and keep your daily work in the terminal.
Grep: Seeing the Neighborhood with Context Flags
Why a single line isn’t enough. Mastering -A, -B, and -C to understand the story behind the pattern.
The Three-Fold Hammer: Grep, Sed, and Awk
Why the combination of Grep, Sed, and Awk is the ultimate power-trip for a Textsmith.
The Trinity in Action: Refining the CSV
A masterclass in the pipeline. Using Grep, Sed, and Awk together to transform raw CSV data into a polished report.
The Power of the Stream: Why I Stopped Opening Files
Explore the hidden power of sed: doing bulk searches and replacements in a single command.
The Trinity Part 1: Grep, the Precision Scout
Grep is the right tool when you want to find not only files, but even the contents of files in a directory. This post is going to explore finding by inversion.