[jira] [Assigned] (MAPREDUCE-6636) Clean up argument parsing in mapred CLI

["Haibo Chen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haibo Chen reassigned MAPREDUCE-6636:
-------------------------------------

    Assignee:     (was: Haibo Chen)

> Clean up argument parsing in mapred CLI
> ---------------------------------------
>
>                 Key: MAPREDUCE-6636
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6636
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>            Reporter: Robert Kanter
>
> {{org.apache.hadoop.mapreduce.tools.CLI}} manually parses arguments, which has a number of downsides including (a) requiring strict ordering of arguments by the user and (b) it's hard for devs to add new arguments.
> We should replace all of this with a CLI parsing library like {{org.apache.commons.cli.CommandLineParser}}, which is used in a number of other places already.



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