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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10971) Flag to make `hadoop fs -ls` print filenames only
Date Sat, 16 May 2015 06:56:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546600#comment-14546600
] 

Hadoop QA commented on HADOOP-10971:
------------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 30s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 29s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 40s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | site |   2m 57s | Site still builds. |
| {color:green}+1{color} | checkstyle |   1m  4s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 38s | The patch does not introduce any new Findbugs
(version 2.0.3) warnings. |
| {color:red}-1{color} | common tests |  22m 30s | Tests failed in hadoop-common. |
| | |  65m 19s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.cli.TestCLI |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12733305/HADOOP-10971.003.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle site |
| git revision | trunk / b0ad644 |
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/6708/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/6708/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf901.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/6708/console |


This message was automatically generated.

> 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: Improvement
>          Components: fs
>    Affects Versions: 2.3.0
>            Reporter: Ryan Williams
>            Assignee: Kengo Seki
>              Labels: BB2015-05-RFC
>         Attachments: HADOOP-10971.001.patch, HADOOP-10971.002.patch, HADOOP-10971.003.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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