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https://issues.apache.org/jira/browse/NIFI-641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709455#comment-14709455
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Joe Skora commented on NIFI-641:
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You can assign this to me, I am working on it and should have a patch very soon.
As suggested, it adds a "deleteAttributes" property to the UpdateAttributes
processor. The "deleteAttributes" property takes a list of properties to be
deleted if they exist on a flowfile.
> 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
> Affects Versions: 0.1.0
> Reporter: Ben Icore
> Priority: Minor
> Fix For: 0.4.0
>
>
> 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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