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https://issues.apache.org/jira/browse/FLINK-10515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17150875#comment-17150875
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Andrey Zagrebin commented on FLINK-10515:
-----------------------------------------

 I think this can be still either improved or we can think of removal of the 
deprecated `ProgramArgsQueryParameter` (args string) in favour of later 
introduced `ProgramArgQueryParameter` (FLINK-10295, args list) which does not 
suffer from the escape problem.

> Improve tokenisation of program args passed as string
> -----------------------------------------------------
>
>                 Key: FLINK-10515
>                 URL: https://issues.apache.org/jira/browse/FLINK-10515
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / REST
>    Affects Versions: 1.7.0
>            Reporter: Andrey Zagrebin
>            Assignee: Andrey Zagrebin
>            Priority: Major
>
> At the moment tokenisation of program args does not respect escape 
> characters. It can be improved to support at least program args separated by 
> spaces with unix style escaping.



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