[jira] [Commented] (HADOOP-8175) Add mkdir -p flag

["Robert Joseph Evans (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-8175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13230605#comment-13230605 ] 

Robert Joseph Evans commented on HADOOP-8175:
---------------------------------------------

I like the patch.  The tests are part of HDFS-3104, I looked at them too and I think they look good.  +1.  But I am not an HDFS committer, just MapReduce and common, so it might be best to get an HDFS committer to put in both.
                
> Add mkdir -p flag
> -----------------
>
>                 Key: HADOOP-8175
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8175
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 0.24.0
>
>         Attachments: HADOOP-8175.patch
>
>
> Users require the ability to create a directory iff it doesn't exist.  Currently, running FsShell's mkdir twice will result in an already exists error.  The unix mkdir -p flag won't fail if the directory already exists.  Per parent jira, pig project would also like this feature.
> (Eventually mkdir should probably also stop creating all intermediate dirs unless -p is given, but that's an incompatible change)

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