[NIFI-4728] Create ExtractHeader processor

• Type: New Feature
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.4.0
• Component/s: Extensions
• Labels: header processor text
• Assignee: Jason Sherman
• Reporter: Andy LoPresto
• Created: 02/Jan/18 16:52
• Updated: 04/Jul/24 17:06

Description

A frequent community request is to remove a header line from incoming text. The ExtractHeaderProcessor should accept arbitrary text, remove a (configurable number of) lines from the beginning, and route a new child flowfile containing the header to a header relationship, and the remaining contents to a body relationship.