Pete Rivett created NIFI-5939:
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             Summary: The docs for File Filter (Unpack processor) still need to 
be more clear for beginners
                 Key: NIFI-5939
                 URL: https://issues.apache.org/jira/browse/NIFI-5939
             Project: Apache NiFi
          Issue Type: Bug
    Affects Versions: 1.8.0
            Reporter: Pete Rivett


An improvement was made in NIFI-3549 but that still resulted in only:

“Only files contained in the archive whose names match the given regular 
expression will be extracted”

I’m guessing (based on looking at the code) that “names” here means the full 
path of the entries within the archive, including any parent directories.

What’s less clear is what ends up being used as the directory separator. Is it 
“/” or could it be “\” in the Windows environment? I'd hope the former in order 
to make processes portable.

Either way I think the documentation could be improved, and some sample regular 
expressions would help.



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