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Cool stuff: Here's how to build your own Yahoo Pipe

February 16, 2007 12:00 PM ET

Building a Pipe

To find out exactly how it works and if it was really as easy as advertised, I decided to build my own Pipe. Since I'm the networking editor at Computerworld.com, I built a Pipe that collects networking news from various sources and combines them into one feed. Here's how I went about it.

Clicking on "Create A New Pipe" brings up the editor, with a list of available modules on the left and the editing area on the right, sporting the helpful directions to "drag modules here."

The Pipes editor  
The Pipes editor. (Click image to see larger view.)

The modules are arranged in these categories:

  • Sources
  • User inputs
  • Operators
  • URL
  • String
  • Date
  • My Pipes

I choose the Fetch module from Sources and drag it into the editing area. There I enter Computerworld's Networking RSS feed URL (http://feeds.computerworld.com/Computerworld/
Networking/News) into the text input field and click a + button to open up two more fields. I enter the URLs for feeds from Network World and InfoWorld into those fields.

The Fetch module  
The Fetch module. (Click image to see larger view.)

To test if everything is working so far, I simply click on the Fetch module and its input is displayed in a Debugger field at the bottom of the editor. The Debugger shows that headlines are indeed being generated by the Fetch module.

I click on a round button on the bottom of the Fetch module and drag the flexible Pipe that is instantly generated down to the Pipe Output module and I have a working Pipe, combining RSS feeds from three publications.

Dragging a Pipe between modules  
Dragging a Pipe between modules.


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