FsShell -getmerge source file pattern is broken
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Key: HADOOP-6387
URL: https://issues.apache.org/jira/browse/HADOOP-6387
Project: Hadoop Common
Issue Type: Bug
Components: fs
Reporter: Eli Collins
Fix For: 0.22.0
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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