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https://issues.apache.org/jira/browse/LUCENE-2393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856965#action_12856965
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Tom Burton-West edited comment on LUCENE-2393 at 4/14/10 1:26 PM:
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Patch against recent trunk.   Can someone please suggest an appropriate 
existing unit test to use as a model for creating a unit test for this?   Would 
it be appropriate to include a small index file for testing or is it better to 
programatically create the index file?

      was (Author: tburtonwest):
    Patch against recent trunk
  
> Utility to output total term frequency and df from a lucene index
> -----------------------------------------------------------------
>
>                 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
>         Attachments: LUCENE-2393.patch
>
>
> 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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