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From "Chris Bennight (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-720) Add option to egrep and RegExFilter for subsequence matching
Date Sun, 14 Oct 2012 01:52:02 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Bennight updated ACCUMULO-720:
------------------------------------

    Affects Version/s: 1.5.0
               Status: Patch Available  (was: Open)

Path adds the -g / --global option to egrep in the shell.  Adds overload to the RegExFilter.setRegexs
method with new matchSubstring parameter.  Old signature now calls new signature with matchSubstring
defaulting to false to maintain previous behaviour.  
                
> Add option to egrep and RegExFilter for subsequence matching
> ------------------------------------------------------------
>
>                 Key: ACCUMULO-720
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-720
>             Project: Accumulo
>          Issue Type: Improvement
>    Affects Versions: 1.5.0
>            Reporter: Keith Turner
>              Labels: hackathon, newbie
>             Fix For: 1.5.0
>
>
> Egrep and RegExfilter use java Matcher.match() which only returns true if the expression
matches the entire string.  Matcher.find() can detect when an expression matches a subsequence
of the string.  Need an option to use find in egrep and RegexFilter.
> This issue was created based on discussion in the following two mailing list threads.
>  * [egrep usage - 1.3.4|http://mail-archives.apache.org/mod_mbox/accumulo-user/201207.mbox/%3CCAP19eqypCNAueE4z6TPU-Jt3g-%3DL2ptLVo9%2Bc_HC_LVA0LOTog%40mail.gmail.com%3E]
July
>  * [Re: egrep usage - 1.3.4|http://mail-archives.apache.org/mod_mbox/accumulo-user/201208.mbox/%3CCAGgKvPkHOQ0XVeuvobBD-G6tzR2pb-OSkZPjnsT_qEiSvzY%2Bew%40mail.gmail.com%3E]
 August
> Based on this discussion, -g and --global seem like good candidates for the options to
add to egrep.

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