[jira] Updated: (HADOOP-1004) dfs -getmerge should process its argments better

["dhruba borthakur (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-1004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur updated HADOOP-1004:
-------------------------------------

    Component/s: dfs

> dfs -getmerge  should process its argments better 
> --------------------------------------------------
>
>                 Key: HADOOP-1004
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1004
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: arkady borkovsky
>
> The command only works if its argument is a directory
> If the argement is a file or a wildcard, it does nothing without any message.
> If not arguments are given, the command fails with a stack dump.
> The improved version should:
> -- produce an error message in case it cannot perform meaningful action (no argument, or no matching files)
> -- copy the files specified by a wildcard expresstion.  (A single file is special case of this).

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