Mike, You can reference ${fileSize}. This is the size of a FlowFile in bytes.
Thanks -Mark On May 17, 2019, at 1:27 PM, Mike Thomsen <mikerthom...@gmail.com<mailto:mikerthom...@gmail.com>> wrote: Is there a way to get access to the flowfile size from EL? This said to use Content-Length, but that didn't appear to work for me on 1.8.0. https://stackoverflow.com/questions/45854584/using-flowfile-size-as-an-argument-in-routeonattribute-nifi Thanks, Mike