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https://issues.apache.org/jira/browse/NIFI-4434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16570501#comment-16570501
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ASF GitHub Bot commented on NIFI-4434:
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GitHub user jtstorck opened a pull request:
https://github.com/apache/nifi/pull/2937
NIFI-4434 Fixed recursive listing with a custom regex filter.
Filter modes are now supported to perform listings based on directory and
file names, file-names only, and full path.
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jtstorck/nifi NIFI-4434
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/2937.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2937
----
commit 6f525bf2b84603f10fd52141e7bff6af68c61f6f
Author: Jeff Storck <jtswork@...>
Date: 2018-08-01T17:13:40Z
NIFI-4434 Fixed recursive listing with a custom regex filter.
Filter modes are now supported to perform listings based on directory and
file names, file-names only, and full path.
----
> ListHDFS applies File Filter also to subdirectory names in recursive search
> ---------------------------------------------------------------------------
>
> Key: NIFI-4434
> URL: https://issues.apache.org/jira/browse/NIFI-4434
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.3.0
> Reporter: Holger Frydrych
> Assignee: Jeff Storck
> Priority: Major
>
> The File Filter regex configured in the ListHDFS processor is applied not
> just to files found, but also to subdirectories.
> If you try to set up a recursive search to list e.g. all csv files in a
> directory hierarchy via a regex like ".*\.csv", it will only pick up csv
> files in the base directory, not in any subdirectory. This is because
> subdirectories don't typically match that regex pattern.
> To fix this, either subdirectories should not be matched against the file
> filter, or the file filter should be applied to the full path of all files
> (relative to the base directory). The GetHDFS processor offers both options
> via a switch.
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