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Posted to common-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/03/28 03:11:53 UTC
[jira] [Updated] (HADOOP-6387) FsShell -getmerge source file
pattern is broken
[ https://issues.apache.org/jira/browse/HADOOP-6387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Allen Wittenauer updated HADOOP-6387:
-------------------------------------
Fix Version/s: (was: 0.23.2)
(was: 0.24.0)
> FsShell -getmerge source file pattern is broken
> -----------------------------------------------
>
> Key: HADOOP-6387
> URL: https://issues.apache.org/jira/browse/HADOOP-6387
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.23.0
> Reporter: Eli Collins
> Assignee: Daryn Sharp
> Priority: Minor
> Attachments: HADOOP-6387.patch
>
>
> The FsShell -getmerge command doesn't work if the "source file pattern" matches files. See below. If the current behavior is intended then we should update the help documentation and java docs to match, but it would be nice if the user could specify a set of files in a directory rather than just directories.
> {code}
> $ hadoop fs -help getmerge
> -getmerge <src> <localdst>: Get all the files in the directories that
> match the source file pattern and merge and sort them to only
> one file on local fs. <src> is kept.
> $ hadoop fs -ls
> Found 3 items
> -rw-r--r-- 1 eli supergroup 2 2009-11-23 17:39 /user/eli/1.txt
> -rw-r--r-- 1 eli supergroup 2 2009-11-23 17:39 /user/eli/2.txt
> -rw-r--r-- 1 eli supergroup 2 2009-11-23 17:39 /user/eli/3.txt
> $ hadoop fs -getmerge /user/eli/*.txt sorted.txt
> $ cat sorted.txt
> cat: sorted.txt: No such file or directory
> $ hadoop fs -getmerge /user/eli/* sorted.txt
> $ cat sorted.txt
> cat: sorted.txt: No such file or directory
> $ hadoop fs -getmerge /user/* sorted.txt
> $ cat sorted.txt
> 1
> 2
> 3
> {code}
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