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https://issues.apache.org/jira/browse/HBASE-5842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13258360#comment-13258360
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Jonathan Hsieh commented on HBASE-5842:
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Harsh, I would add that the output from the shell of that particular example
is too clever with formatting and ends up being cumbersome to use with standard
unix parsing tools.
For that particular command, I've hacked the HFile tool do dump contents in an
grep'able format.
Are you looking for that command in particular or are there more cases?
Maybe we should add a hbase-admin command that has shortcuts to utility methods
like HLog, HFile, and something like DumpMeta?
> Passing shell commands as an argument
> -------------------------------------
>
> Key: HBASE-5842
> URL: https://issues.apache.org/jira/browse/HBASE-5842
> Project: HBase
> Issue Type: Improvement
> Components: shell
> Affects Versions: 0.94.0
> Reporter: Harsh J
> Priority: Minor
>
> Many times we've required scans of .META. to analyze issues with the cluster
> we work on, and to have the result in a file we can pass around we usually
> end up doing something like:
> {{echo "scan '.META.'| hbase shell > meta-scan.txt}}
> This can rather be simplified as something like the following instead, with
> support for a commands reading argument:
> {{hbase shell -c "scan '.META.'"}}
> [Note though: File reading is possible already, i.e. {{hbase shell file.hs}},
> but then thats two steps and we usually don't keep a file around for just a
> meta table scan.]
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