[jira] [Commented] (NIFI-942) Create RouteText processor

["Mark Payne (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14991766#comment-14991766 ] 

Mark Payne commented on NIFI-942:
---------------------------------

Removed Fix Version and canceled patch for this ticket because only 1 of the two subtasks is completed and the other will not likely happen in 0.4.0.


> Create RouteText processor
> --------------------------
>
>                 Key: NIFI-942
>                 URL: https://issues.apache.org/jira/browse/NIFI-942
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Extensions
>            Reporter: Mark Payne
>            Assignee: Joseph Percivall
>         Attachments: 0002-NIFI-942-Added-Ignore-Case-property-added-unit-tests.patch
>
>
> The idea is to route individual lines of a text file to different relationships. This allows for splitting lines based on some criteria or filtering out specific lines, and would be a much more convenient alternative than RouteOnContent for textual data.
> A discussion for this took place on the users mailing list (http://mail-archives.apache.org/mod_mbox/nifi-users/201509.mbox/%3CCAKpk5PxjszdX-NXMMf6Pcet4x7Y5GmrT7_jn9uyzS-h_a9TG3A%40mail.gmail.com%3E)
> The way that I could see this working is to have a few different properties:
> Routing Strategy:
> - Route each line to matching Property Name (default)
> - Route matching lines to 'matched' if all match
> - Route matching lines to 'matched' if any match
> - Route FlowFile to 'matched' if all lines match
> - Route FlowFile to 'matched' if any line matches
> A Match Strategy
> - Starts With
> - Ends With
> - Contains
> - Equals
> - Matches Regular Expression
> - Contains Regular Expression
> And then user-defined properties that indicate what to search each line of text for.
> So to find lines that begin with the < character
> You would simply add a property named "Begins with Less Than" and set the value to : <
> Then set the Match Strategy to Starts With
> And Routing Strategy to "Route each line to matching Property Name"
> Then, any line that begins with < will be routed to the Begins with Less Than relationship.
> This would be a simple way to pull out any particular lines of interest in a text file.
> I can see this being very useful for processing log files, CSV, etc.



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