[jira] [Created] (AVRO-1787) Add support of directories & globs to concat

["Clément MATHIEU (JIRA)" <ji...@apache.org>]

Clément MATHIEU created AVRO-1787:
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             Summary: Add support of directories & globs to concat
                 Key: AVRO-1787
                 URL: https://issues.apache.org/jira/browse/AVRO-1787
             Project: Avro
          Issue Type: Bug
          Components: java
    Affects Versions: 1.7.7
            Reporter: Clément MATHIEU


While answering [this question|http://stackoverflow.com/questions/34856838/concat-avro-files-using-avro-tools/34899425#34899425] on stack overflow, I noticed that the concat tool does not support directories or glob patterns as "input-file".

 OP's use case seems very valid but accepting only files as input push the burden on users.

I think that it makes sense to also accept directories as input like cat does. Supporting glob patterns seems also useful if one want to concatenate the output of a MR job (in this case passing the directory won't work because of the {{_SUCESS}} file).

I have quickly patched {{concat}} to support files, directories and glob patterns. Support of glob patterns has been added to {{cat}} since it seems useful too.

This change should not introduce regression for users. But any feedback about glob patterns is welcome.



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