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2 articles · Page 1 of 1
IoT Full-Stack Technology
IoT Full-Stack Technology
Jul 30, 2026 · Backend Development

Build a Super‑Simple Node.js Web Scraper for Douban Top 250

This tutorial walks through creating a minimal Node.js crawler that fetches the Douban Top 250 movie page using the built‑in https module, parses the HTML with cheerio, extracts titles, ratings and images, stores the data in an array, and writes the results to a JSON file.

HTTPSTutorialWeb Scraping
0 likes · 5 min read
Build a Super‑Simple Node.js Web Scraper for Douban Top 250
Liangxu Linux
Liangxu Linux
Mar 4, 2025 · Fundamentals

Master awk: From Basics to Advanced Text Processing on Linux

This guide explains what awk is, its pattern‑action syntax, built‑in variables such as NR, NF, FS, RS, OFS and ORS, and provides step‑by‑step examples—including generating test data, column manipulation, custom delimiters, and solving a word‑frequency interview question—so readers can efficiently extract and transform text on the command line.

LinuxNFNR
0 likes · 18 min read
Master awk: From Basics to Advanced Text Processing on Linux