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https://issues.apache.org/jira/browse/NIFI-641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14979021#comment-14979021
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Joe Skora commented on NIFI-641:
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When I worked on it, the people I discussed it with thought a regular
expression would be more useful.
Are you thinking the expression would evaluate to a list of attributes to
delete, or something different? If that's the case, It wouldn't be hard to do
if there's enough interest, but it would probably be a 2nd attribute on the
processor to make it simple to understand and to avoid confusion between regex
and expression language special characters.
Feel free to put in a ticket if it's something you need.
> create delete attributes processor
> ----------------------------------
>
> Key: NIFI-641
> URL: https://issues.apache.org/jira/browse/NIFI-641
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Extensions
> Reporter: Ben Icore
> Assignee: Joe Skora
> Priority: Minor
> Labels: patch
> Fix For: 0.4.0
>
> Attachments:
> 0001-NIFI-641-Add-delete-capability-to-the-UpdateAttribut.patch,
> NIFI-641-add-delete-to-UpdateAttribues.patch
>
>
> create a processor for the deletion of attriubutes. There is currently no
> way to remove attriubtes from a flowfile, the best a DFM can is blank out an
> attribute, but that still allows the attriubute to be passed on
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