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https://issues.apache.org/jira/browse/OOZIE-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13160993#comment-13160993
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Craig Peters commented on OOZIE-578:
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Is there a way to support the machine learning use case where a user wants to
*iteratively* run a shell action with:
1) Initial data seed data for the algorithm
2) Rule for whether to iterate again (e.g. if x > y, where x is an output of
the shell and y is an action property)
3) Maximum number of iterations
4) Pass input and output URIs to script
> Support shell action in Oozie WF
> --------------------------------
>
> Key: OOZIE-578
> URL: https://issues.apache.org/jira/browse/OOZIE-578
> Project: Oozie
> Issue Type: New Feature
> Reporter: Mohammad Kamrul Islam
> Assignee: Mohammad Kamrul Islam
>
> Running a script (shell/perl/python/?) from a workflow is a very common
> use-case. Currently, Oozie user needs to write a custom java code to execute
> the script which is not convenient.
> This JIRA is to discuss the feasibility and scope of the feature. The
> proposed design of this feature will also be included.
>
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