The U.S. Geological Survey (usgs.gov) has a feed for earthquakes occurring throughout the world in the past week. This data contains latitudes and longitudes.This example uses two Location Builder modules to define two towns in Alaska: one in the northwest and the other in the southeast. Our…

This Pipe demonstrates how to use the Web Service module to POST items in a pipe to an external web service (in JSON format). This allows developers to extend the Pipes functionality to do whatever they need. The original items are replaced by the web services JSON or RSS response.

This example looks for Perl and Ajax programming jobs within five miles of Arlington, VA. Using the Google Base module, we select "jobs" from the first list box, then enter the keywords "perl" and "ajax". Next, we restrict the search to within five miles of Arlington,…

This Pipe demonstrates how to apply Perl-like regular expressions to item attributes.

This Pipe demonstrates how you can use the Fetch module.

Using the Yahoo! Finance URL above, we'll build a Pipe that gets news from any Finance feed based on a user-supplied stock ticker value. To make it more useful, we'll let the user filter the feed based on a search term they provide.In the URL Builder, the Base is set to…

The Term Extractor is often used as a sub-module within a Loop module. In this example we use Term Extractor to evaluate each item from an input news feed.The item.description field is fed into Term Extractor by setting the "For each" list box in the Loop module. We select the Loop option…

This Pipe demonstrates how you can use the Item Builder module to build up a new feed. It also demonstrates how you can add Media RSS components into your output.

Many city and local governments now make their crime statistics available on-line. This data is provided in a wide range of formats and with varying levels of detail. The city of Washington, D.C. maintains an XML file of their crime data. This example uses the Rename module to convert this XML into…

Government scientific institutions collect a lot of data, and much of this data is available on the internet. Our example uses some data collected by the U.S. Coast Guard's ship Polar Star. This ship supports scientific and ice escort missions in the arctic and antarctic.The CSV dataset contains…