Data Extraction

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Markdown Link Extractor Field Guide: When Four Kinds of Links and the Seven-Field Record Decide What Your README Actually Points At — 2026-09-28

By xiezixing 2026年9月28日

A markdown file with a handful of [label](url) lines looks innocent until you try to…

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Image Source Extractor Field Guide: When Four Flags And One Sort Selector Decide Whether You Get A Clean URL List Or A 4,000-Line Dump

By xiezixing 2026年9月6日

Four boolean flags and one sort selector decide whether the extractor returns a clean deduplicated URL list or a 4,000-line dump. This field guide walks through each flag, the three input patterns that change your flag set, and the audit workflow that catches the five recurring pitfalls before they corrupt your CDN inventory.

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JSON Path Extractor Field Guide: When Four Operators Beat Every Regex You Wrote This Year

By xiezixing 2026年9月4日

JSONPath is what grep -o would have been if JSON had been the dominant payload…

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7Z File Extractor: A field guide to single-file pulls from compressed archives

By xiezixing 2026年8月11日

Pulling one file out of a 7Z archive without decompressing the rest is a routine…

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Reading What’s Already There: A Field Guide to PDF Annotation Export

By xiezixing 2026年7月16日

A field guide to lifting reviewer markup — highlights, sticky notes, stamps, links — out of a PDF and into structured JSON your scripts can use. Walks nine subtypes, seven extracted fields, and three workflow patterns.