Bash tab completion support
---------------------------

                 Key: HADOOP-3714
                 URL: https://issues.apache.org/jira/browse/HADOOP-3714
             Project: Hadoop Core
          Issue Type: New Feature
            Reporter: Chris Smith
            Priority: Trivial
         Attachments: hadoop.sh

The attached Bash script adds support for tab completion of most arguments to 
the main Hadoop script ({{bin/hadoop}}). Namely, it allows tab completion of 
all the command names, subcommands for the {{fs}}, {{dfsadmin}}, {{job}}, 
{{namenode}} and {{pipe}} commands, arguments of the {{jar}} command and most 
arguments to the {{fs}} subcommands (completing local and dfs paths as 
appropriate).

The file can be dropped into /etc/bash_completion.d/ on Debian-like distros, 
and it should then start working the next time Bash is started.

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