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From Doug Cutting <>
Subject Re: Lucene refresh index function (incremental indexing).
Date Mon, 24 Nov 2003 21:01:15 GMT
Tun Lin wrote:
> These are the steps I took:
> 1) I compile all the files in a particular directory using the command: 
> java org.apache.lucene.demo.IndexHTML -create -index c:\\index .. 
> , putting all the indexed files in c:\\index.
> 2) Everytime, I added an additional file in that directory. I need to
> reindex/recompile that directory to generate the indexes again. As the directory
> gets larger, the indexing takes a longer time.
> My question is how do I generate the indexes automatically everytime a new
> document is added in that directory without me recompiling everytime manually? 

To update, try removing the '-create' from the command line.  The demo 
code supports incremental updates.  It will re-scan the directory and 
figure out which files have changed, what new files have appeared and 
which previously existing files have been removed.


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