Chapter 12. Case study 1: Krugle
Krugle: Searching source code
Contributed by KEN KRUGLER and GRANT GLOUSER
Krugle.org provides an amazing service: it’s a source-code search engine that continuously catalogs 4,000+ open source projects (including Lucene and its sister projects under the Apache Lucene umbrella), enabling you to search the source code itself as well as developers’ comments in the source code control system. A search for lucene turns up matches not only from Lucene’s source code, but from the many open source projects that use Lucene.
Krugle is built with Lucene, but there are some fun challenges that emerge when your documents are primarily source code. For example, a search for deletion policy must match tokens like DeletionPolicy ...
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