Utility to output total term frequency and df from a lucene index
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                 Key: LUCENE-2393
                 URL: https://issues.apache.org/jira/browse/LUCENE-2393
             Project: Lucene - Java
          Issue Type: New Feature
          Components: contrib/*
            Reporter: Tom Burton-West
            Priority: Trivial


This is a command line utility that takes a field name, term, and index 
directory and outputs the document frequency for the term and the total number 
of occurrences of the term in the index (i.e. the sum of the tf of the term for 
each document).  It is useful for estimating the size of the term's entry in 
the *prx files and consequent Disk I/O demands

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