February 2003
Intermediate to advanced
352 pages
9h
English
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Date-Range Searching with a Client-Side Application
Monitor a set of queries for new finds added to the Google index yesterday.
The GooFresh [Hack #42] hack is a simple web form-driven CGI script for building date range [Hack #11] Google queries. A simple web-based interface is fine when you want to search for only one or two items at a time. But what of performing multiple searches over time, saving the results to your computer for comparative analysis?
A better fit for this task is a client-side application that you run from the comfort of your own computer’s desktop. This Perl script feeds specified queries to Google via the Google Web API, limiting results to those indexed yesterday. New finds are appended to a comma-delimited text file per query, suitable for import into Excel or your average database application.
Tip
This hack requires an additional Perl module, Time::JulianDay (http://search.cpan.org/author/MUIR/); it just won’t work until you have the module installed.
The Queries
First, you’ll need to prepare a few queries to feed the script. Try these out via the Google search interface itself first to make sure you’re receiving the kind of results you’re expecting. Your queries can be anything you’d be interested in tracking over time: topics of long-lasting or current interest, searches for new directories of information [Hack #21] coming online, unique quotes from articles or other sources that you want to monitor for signs of plagiarism.
Use whatever special syntaxes ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.