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https://issues.apache.org/jira/browse/HADOOP-6387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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XieXianshan updated HADOOP-6387:
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Fix Version/s: 0.23.0
Assignee: XieXianshan
Affects Version/s: 0.23.0
Status: Patch Available (was: Open)
this patch make "source file pattern" work.
> 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: XieXianshan
> Priority: Minor
> Fix For: 0.23.0
>
> 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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