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https://issues.apache.org/jira/browse/HADOOP-7597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095901#comment-13095901
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XieXianshan commented on HADOOP-7597:
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Thanks for your comment.Daryn.
Yes,you're right.I misunderstood the meaning of that command.
> dfs -chmod does not work as expected
> ------------------------------------
>
> Key: HADOOP-7597
> URL: https://issues.apache.org/jira/browse/HADOOP-7597
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.24.0
> Reporter: XieXianshan
> Assignee: XieXianshan
> Priority: Trivial
> Fix For: 0.24.0
>
> Attachments: HADOOP-7597.patch
>
>
> The operator "=" of chmod should have the top priority,i.e,the rest operators
> should be omitted if the first operator is "=".
> For example:
> # hdfs dfs -ls /user/
> dr--r--r-- - root supergroup 0 2011-08-31 19:42 /user/hadoop
> # hdfs dfs -chmod =+w /user/hadoop
> # hdfs dfs -ls /user/
> d-w--w--w- - root supergroup 0 2011-08-31 19:42 /user/hadoop
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