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https://issues.apache.org/jira/browse/SYSTEMML-1708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16052374#comment-16052374
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Deron Eriksson commented on SYSTEMML-1708:
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I think this would be a great addition before the 1.0.0 release since it plays 
such an important role in execution from hadoop and spark-submit.


> Change command line arguments to be proper long/short arguments
> ---------------------------------------------------------------
>
>                 Key: SYSTEMML-1708
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1708
>             Project: SystemML
>          Issue Type: Sub-task
>            Reporter: Nakul Jindal
>             Fix For: SystemML 1.0
>
>
> Our command line arguments are somewhat incoherent. The `file` parameters 
> looks like a short argument, whereas the other look like long arguments but 
> with a short parameter dash.
> (Short parameters are typically a single dash followed by a single character, 
> long parameters are typically 2 dashes followed by a string). We should at 
> least support either both or at least the long parameters.
> | Old argument | New long argument | 
> | -f | --file |
> | -s | --script-string |
> | -explain | --explain | 
> | -stats | --stats | 
> | -exec | --execution-mode | 
> | -debug | --debug |
> | - clean | --clean |
> | -args | --positional-arguments |
> | -nvargs | --named-arguments |
> | -config | --properties-file |
> | -python | --language [dml|pydml] |
> | -gpu | --gpu |



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