I think this is what you are asking: 
http://lucene.apache.org/java/2_3_0/api/core/org/apache/lucene/index/IndexReader.html#getFieldNames(org.apache.lucene.index.IndexReader.FieldOption)



On Feb 12, 2008, at 11:13 AM, <[EMAIL PROTECTED]> <[EMAIL PROTECTED] > wrote:

Hi,



Does anyone have a code snippet which would allow me to ask my index how
many instances of a field are indexed?





Thanks,



Marc Dumontier
Manager, Software Development
Thomson Scientific (Canada)
1 Yonge Street, Suite 1801
Toronto, Ontario M5E 1W7



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