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Posted to common-issues@hadoop.apache.org by "Kousuke Saruta (JIRA)" <ji...@apache.org> on 2013/11/20 19:14:46 UTC

[jira] [Updated] (HADOOP-10118) FsShell never interpret "--"

     [ https://issues.apache.org/jira/browse/HADOOP-10118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kousuke Saruta updated HADOOP-10118:
------------------------------------

    Summary: FsShell never interpret "--"  (was: CommandFormat never parse "--")

> FsShell never interpret "--"
> ----------------------------
>
>                 Key: HADOOP-10118
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10118
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 3.0.0
>            Reporter: Kousuke Saruta
>
> We cannot use "--" option to skip args following that.
> CommandFormat#parse is implemented as follows.
> {code}
> public void parse(List<String> args) {
> ...
>       } else if (arg.equals("--")) { // force end of option processing
>         args.remove(pos);
>         break;
>       }
> ...
> {code}
> But, FsShell is called through ToolRunner and ToolRunner use GenericOptionParser. GenericOptionParser use GnuParser, which discard "--" when parsing args.



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