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https://issues.apache.org/jira/browse/NIFI-5693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16648680#comment-16648680
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ASF GitHub Bot commented on NIFI-5693:
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Github user patricker commented on the issue:
https://github.com/apache/nifi/pull/3068
I like your #2 approach, as shown in this PR. I haven't tested it yet, but
can you provide a better description on the property? Right now there is no way
for a user to know that TAR is the expected merge format (instead of, for
example, the NiFi FlowFile packing format)
> PutEmail should support multiple attachments
> --------------------------------------------
>
> Key: NIFI-5693
> URL: https://issues.apache.org/jira/browse/NIFI-5693
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 1.7.1
> Reporter: David Savage
> Priority: Minor
>
> *As a* NiFi User
> *I want* to create multi part emails with many attachments
> *So that* I can interface NiFi flows with legacy email systems
> For this use case I reviewed this comment here [1] unfortunately the legacy
> system requires individual attachments and is out of my control to upgrade so
> the simple MergeFile based approach will not work.
> I can see three potential solutions to this:
> # Update PutEmail to extend BinFiles and use a similar mechanism to
> MergeFiles to collect many files from the flow. Complexity - Hard,
> Flexibility - High
> # Update PutEmail with an optional attribute to unpack files generated by
> MergeFile and add each entry as a new attachment. Complexity - Medium,
> Hackiness - Medium
> # Ignore PutEmail and use a custom script based on Groovy/Jython etc.
> Complexity - Simple, Supportability Low
> I've created a patch for 2 that I'll submit as a merge request soon.
> Interested in feedback and happy to try other approaches if this is something
> that the community is interested in supporting going forwards.
> [1]
> https://mail-archives.apache.org/mod_mbox/nifi-users/201709.mbox/%3CCALJK9a6oSdy5PXaKE0GxY1M3xQqYW8%2B0UUgsQmtbkO1qMK-MQA%40mail.gmail.com%3E
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