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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7494) Add -c option for FSshell -tail
Date Mon, 15 Aug 2011 17:47:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13085198#comment-13085198
] 

Hadoop QA commented on HADOOP-7494:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12490411/HADOOP-7494-v0.3.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/38//console

This message is automatically generated.

> Add -c option for FSshell -tail
> -------------------------------
>
>                 Key: HADOOP-7494
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7494
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.23.0
>            Reporter: XieXianshan
>            Assignee: XieXianshan
>            Priority: Trivial
>             Fix For: 0.23.0
>
>         Attachments: HADOOP-7494-v0.2.patch, HADOOP-7494-v0.3.patch, HADOOP-7494.patch
>
>
> Add the "-c" option for FSshell -tail to allow users to specify the output bytes(currently,it's
-1024 by default).
> For instance:
> $ hdfs dfs -tail -c -10 /user/hadoop/xiexs
> or
> $ hdfs dfs -tail -c+10 /user/hadoop/xiexs

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