Perl script monitors payments and feedback in eBay sales
Watchful Seller

We show how to use a screen-scraper and an application for the official eBay API to trigger an alarm on incoming eBay customer feedback and detect errors in the monthly billing statement.
If I ever get around to writing my memoirs, I am going to include a lengthy chapter about my life's motto, which is: "Anything you don't constantly monitor is guaranteed to go belly up when you least expect it." True to this motto, I wrote a script this month to receive an email immediately when one of my eBay customers has left feedback about a transaction.
Simply Scraping
As a quick and dirty solution, and to first avoid having to register as a developer with eBay, I wrote a screen-scraper that extracts the current feedback score from the slew of HTML on the feedback page, before saving the counter and raising the alarm during subsequent runs if the value has increased.
When I click on my username on eBay.com, the browser lands on the feedback page in Figure 1. Selecting view-source
in the browser shows the HTML code from Figure 2, and a text search for the string 362
(the current feedback score) shows that this number is found in a markup tag of the mbg-l
class:
[...]
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
-
Linux Mint 22.2 Beta Available for Testing
Some interesting new additions and improvements are coming to Linux Mint. Check out the Linux Mint 22.2 Beta to give it a test run.
-
Debian 13.0 Officially Released
After two years of development, the latest iteration of Debian is now available with plenty of under-the-hood improvements.
-
Upcoming Changes for MXLinux
MXLinux 25 has plenty in store to please all types of users.
-
A New Linux AI Assistant in Town
Newelle, a Linux AI assistant, works with different LLMs and includes document parsing and profiles.
-
Linux Kernel 6.16 Released with Minor Fixes
The latest Linux kernel doesn't really include any big-ticket features, just a lot of lines of code.
-
EU Sovereign Tech Fund Gains Traction
OpenForum Europe recently released a report regarding a sovereign tech fund with backing from several significant entities.
-
FreeBSD Promises a Full Desktop Installer
FreeBSD has lacked an option to include a full desktop environment during installation.
-
Linux Hits an Important Milestone
If you pay attention to the news in the Linux-sphere, you've probably heard that the open source operating system recently crashed through a ceiling no one thought possible.
-
Plasma Bigscreen Returns
A developer discovered that the Plasma Bigscreen feature had been sitting untouched, so he decided to do something about it.
-
CachyOS Now Lets Users Choose Their Shell
Imagine getting the opportunity to select which shell you want during the installation of your favorite Linux distribution. That's now a thing.