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https://issues.apache.org/jira/browse/HBASE-781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13535139#comment-13535139
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Jesse Yates commented on HBASE-781:
-----------------------------------
This might end up being a generalization of HBASE-5548, just a thought.
> [shell] The hbase shell should allow to assign the result of a command to a
> variable
> ------------------------------------------------------------------------------------
>
> Key: HBASE-781
> URL: https://issues.apache.org/jira/browse/HBASE-781
> Project: HBase
> Issue Type: New Feature
> Components: Client
> Affects Versions: 0.18.0
> Reporter: Sebastien Rainville
> Priority: Minor
> Labels: noob
>
> From the user point of view, what needs to be debugged in hbase is the data
> and currently the only thing we can do to visualize it is to run the hbase
> commands 'get' and 'scan'. The output of those commands is not really well
> formatted... but that should be the subject of another case... another way to
> deal with it and that would be more useful is to return the result instead of
> printing them on the standard output. That way the results can be assigned to
> a variable. When running the hbase shell we have the advantage of being in a
> jruby shell, which is very powerful... but currently that power is not being
> used. I'm thinking about being able to do stuff like this:
> row = get 'entities', 'Montreal'
> puts "The name of the entity #{row['attribute:name']} is ending by 'real'" if
> row['attribute:name'] =~ /real$/
> Of course that's not the most useful example but still...
> My only concern is how to manipulate non printable values since the values in
> hbase are byte arrays. In my case the values are always printable but if they
> are not it would screw up the shell.
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