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From "Joseph Gresock (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-531) Add UpdateContent processor
Date Wed, 22 Apr 2015 00:41:58 GMT

    [ https://issues.apache.org/jira/browse/NIFI-531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506125#comment-14506125
] 

Joseph Gresock commented on NIFI-531:
-------------------------------------

Ah neat, I wasn't aware of this.  So the .* optimization will replace it with an EL expression
evaluation even if it's a huge file incoming?  That satisfies this use case.

> Add UpdateContent processor
> ---------------------------
>
>                 Key: NIFI-531
>                 URL: https://issues.apache.org/jira/browse/NIFI-531
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Core Framework
>            Reporter: Joseph Gresock
>
> A simple and powerful processor would be one that can replace the content of a flow file
with an evaluated EL expression.  This could be coupled with processors that take specific
document formats as input (e.g., PutSolr from NIFI-461), which could easily be constructed
using one or more flow file attributes.
> I believe the only way built into Nifi that lets you achieve this is to specify a header
file in MergeContent, whose contents is an EL expression.  This would simplify the process.
> Pull request forthcoming this week.



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