Randy Gelhausen created NIFI-1205:
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             Summary: Allow GetFile's "File Filter" property to support 
expression language
                 Key: NIFI-1205
                 URL: https://issues.apache.org/jira/browse/NIFI-1205
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Extensions
            Reporter: Randy Gelhausen
            Priority: Minor


GetFile is useful as a scheduled processor, but currently assumes foreknowledge 
of which files the user desires to match.

There may be external signals, e.g. a process crash, that users desire to 
trigger GetFile to pickup and do work on artifacts specific to the trigger.

Adding expression language support for the File Filter property would allow 
incoming flowfiles to point the processor at different files of interest.



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