Screen scraping with Colly in Go
Programming Snapshot – Colly
Lead Image © Hannu Viitanen, 123RF.com
The Colly scraper helps developers who work with the Go programming language to collect data off the web. Mike Schilli illustrates the capabilities of this powerful tool with a few practical examples.
As long as there are websites to view for the masses of browser customers on the web, there will also be individuals on the consumer side who want the data in a different format and write scraper scripts to automatically extract the data to fit their needs.
Many sites do not like the idea of users scraping their data. Check the website's terms of service for more information, and be aware of the copyright laws for your jurisdiction. In general, as long as the scrapers do not republish or commercially exploit the data, or bombard the website too overtly with their requests, nobody is likely to get too upset about it.
Different languages offer different tools for this. Perl aficionados will probably appreciate the qualities of WWW::Mechanize as a scraping tool, while Python fans might prefer the selenium package [1]. In Go, there are several projects dedicated to scraping that attempt to woo developers.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Framework Laptop 13 Pro Competes with the Best
Framework has released what might be considered the MacBook of Linux devices.
-
The Latest CachyOS Features Supercharged Kernel
The latest release of CachyOS brings with it an enhanced version of the latest Linux kernel.
-
Kernel 7.0 Is a Bit More Rusty
Linux kernel 7.0 has been released for general availability, with Rust finally getting its due.
-
France Says "Au Revoir" to Microsoft
In a move that should surprise no one, France announced plans to reduce its reliance on US technology, and Microsoft Windows is the first to get the boot.
-
CIQ Releases Compatibility Catalog for Rocky Linux
The company behind Rocky Linux is making an open catalog available to developers, hobbyists, and other contributors, so they can verify and publish compatibility with the CIQ lineup.
-
KDE Gets Some Resuscitation
KDE is bringing back two themes that vanished a few years ago, putting a bit more air under its wings.
-
Ubuntu 26.04 Beta Arrives with Some Surprises
Ubuntu 26.04 is almost here, but the beta version has been released, and it might surprise some people.
-
Ubuntu MATE Dev Leaving After 12 years
Martin Wimpress, the maintainer of Ubuntu MATE, is now searching for his successor. Are you the next in line?
-
Kali Linux Waxes Nostalgic with BackTrack Mode
For those who've used Kali Linux since its inception, the changes with the new release are sure to put a smile on your face.
-
Gnome 50 Smooths Out NVIDIA GPU Issues
Gamers rejoice, your favorite pastime just got better with Gnome 50 and NVIDIA GPUs.