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Date: Sat, 17 Mar 2012 12:53:38 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-8176) Disambiguate the destination of
 FsShell copies
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    [ https://issues.apache.org/jira/browse/HADOOP-8176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13231935#comment-13231935 ] 

Hudson commented on HADOOP-8176:
--------------------------------

Integrated in Hadoop-Hdfs-trunk #987 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/987/])
    HADOOP-8176.  Disambiguate the destination of FsShell copies (Daryn Sharp via bobby) (Revision 1301612)

     Result = SUCCESS
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1301612
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/CommandWithDestination.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/PathData.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellCopy.java

                
> Disambiguate the destination of FsShell copies
> ----------------------------------------------
>
>                 Key: HADOOP-8176
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8176
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.24.0, 0.23.2
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 0.23.2
>
>         Attachments: HADOOP-8176.patch
>
>
> The copy commands currently do not provide a way to disambiguate the expected destination of a copy.  Ex.
> {{fs -put myfile path/mydir}}
> If "mydir" is an existing directory, then the copy produces {{path/mydir/file}}.  If "mydir" does not exist at all, the copy produces {{path/mydir}}.  The file has unexpectedly been renamed to what was expected to be a directory!  It's standard unix shell behavior, but it lacks a special trait.
> Unix allows a user to disambiguate their intent by allowing {{path/mydir/}} or {{path/mydir/.}} to mean "mydir" is *always* be treated as a directory.  If the copy succeeds, it will always be called {{path/mydir/myfile}}.

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