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                 Key: FLUME-853
                 URL: https://issues.apache.org/jira/browse/FLUME-853
             Project: Flume
          Issue Type: Bug
          Components: Shell
    Affects Versions: NG alpha 1
            Reporter: Jarek Jarcec Cecho
            Priority: Trivial


Running flume-ng shell scripts without arguments will end up with following 
error message:

<21:53:24> jarcec@nermal flume-728 $ ./bin/flume-ng
shift: 122: can't shift that many

Would be nice to display help message instead in case when no parameters are 
given on the command line.

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