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https://issues.apache.org/jira/browse/HADOOP-8934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Allen updated HADOOP-8934:
-----------------------------------

    Attachment: HADOOP-8934.patch

review comments actioned:
- sort order for -S corrected
- now using PathData.compareTo rather than Path
- changes to PathData (& Command) reverted (and a MockFileSystem used in unit 
tests instead)

I didn't know about TestHDFSCLI but have now confirmed change doesn't break any 
of the existing tests.  I'll add some additional tests later this week.
                
> Shell command ls should include sort options
> --------------------------------------------
>
>                 Key: HADOOP-8934
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8934
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>            Reporter: Jonathan Allen
>            Assignee: Jonathan Allen
>            Priority: Minor
>         Attachments: HADOOP-8934.patch, HADOOP-8934.patch, HADOOP-8934.patch
>
>
> The shell command ls should include options to sort the output similar to the 
> unix ls command.  The following options seem appropriate:
> -t : sort by modification time
> -S : sort by file size
> -r : reverse the sort order
> -u : use access time rather than modification time for sort and display

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