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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10971) Add -C flag to make `hadoop fs -ls` print filenames only
Date Tue, 19 May 2015 14:23:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550503#comment-14550503
] 

Hudson commented on HADOOP-10971:
---------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2130 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2130/])
HADOOP-10971. Add -C flag to make `hadoop fs -ls` print filenames only. Contributed by Kengo
Seki. (aajisaka: rev 3b50dcdce4ffe3d4e5892fca84909ff22be28739)
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestLs.java
* hadoop-common-project/hadoop-common/src/test/resources/testConf.xml
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/Ls.java


> Add -C flag to make `hadoop fs -ls` print filenames only
> --------------------------------------------------------
>
>                 Key: HADOOP-10971
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10971
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 2.3.0
>            Reporter: Ryan Williams
>            Assignee: Kengo Seki
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-10971.001.patch, HADOOP-10971.002.patch, HADOOP-10971.003.patch,
HADOOP-10971.004.patch, HADOOP-10971.005.patch
>
>
> It would be useful to have a flag that made {{hadoop fs -ls}} only print filenames, instead
of full {{stat}} info. The "{{-C}}" flag from GNU {{ls}} is the closest analog to this behavior
that I've found, so I propose that as the flag.
> Per [this stackoverflow answer|http://stackoverflow.com/a/21574829], I've reluctantly
added a {{hadoop-ls-C}} wrapper that expands to {{hadoop fs -ls "$@" | sed 1d | perl -wlne'print
+(split " ",$_,8)\[7\]'}} to a few projects I've worked on, and it would obviously be nice
to have hadoop save me (and others) from such hackery.



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