[ https://issues.apache.org/jira/browse/NIFI-22?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14265064#comment-14265064
]
ASF subversion and git services commented on NIFI-22:
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Commit 49256d9d83572bf7a0d7b16aa02ad43049bf2585 in incubator-nifi's branch refs/heads/NIFI-22
from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-nifi.git;h=49256d9 ]
NIFI-22: Added 'count', 'join', 'isEmpty', and 'replaceEmpty' functions
> Expression Language should support 'join' function
> --------------------------------------------------
>
> Key: NIFI-22
> URL: https://issues.apache.org/jira/browse/NIFI-22
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Minor
> Fix For: 0.0.1
>
>
> Should allow expressions like:
> ${allMatchingAttributes( 'prefix.*' ):join(', ')}
> This should be valid only if using the 'allMatchingAttributes', 'allAttributes' functions
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