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NIFI: merge similar flow files to one, but update uncommon attributres

NIFI: merge similar flow files to one, but update uncommon attributres

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Hi! I want to combine several flows in one json by common attributes. For example:

FF1 ->  type: fruit, color: green, name: apple

FF2 ->  type: fruit, color: green, name: lime

In result:

{type:'fruit',color:'green',name:'apple,lime'}

Thanks in advance!

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