Mark Payne created NIFI-22:
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Summary: 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
Reporter: Mark Payne
Priority: Minor
Should allow expressions like:
${allMatchingAttributes( 'prefix.*' ):join(', ')}
This should be valid only if using the 'allMatchingAttributes', 'allAttributes'
functions
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