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https://issues.apache.org/jira/browse/HADOOP-3173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HADOOP-3173:
----------------------------------

         Priority: Major  (was: Blocker)
    Fix Version/s:     (was: 0.17.0)
                   0.18.0
         Assignee:     (was: Edward J. Yoon)

This is a known issue and is not a regression. See HADOOP-1995. So I am going 
to mark it a blocker to release 0.17. Code-wise we use backslash to escape glob 
special characters. But backslash collides with the windows path separator. It 
does not work.

For now I would suggest a user to programatically remove a directory/file whose 
name contains glob special characters.

Also Rajiv, you should quote all dfs globs in the command line. Otherwise, the 
local file system will interpret it first.

> inconsistent globbing support for dfs commands
> ----------------------------------------------
>
>                 Key: HADOOP-3173
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3173
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>         Environment: Hadoop 0.16.1
>            Reporter: Rajiv Chittajallu
>             Fix For: 0.18.0
>
>
> hadoop dfs -mkdir /user/*/bar creates a directory "/user/*/bar" and you cant 
> deleted /user/* as -rmr expands the glob
> $ hadoop dfs -mkdir /user/rajive/a/*/foo
> $ hadoop dfs -ls /user/rajive/a
> Found 4 items
> /user/rajive/a/*      <dir>           2008-04-04 16:09        rwx------       
> rajive  users
> /user/rajive/a/b      <dir>           2008-04-04 16:08        rwx------       
> rajive  users
> /user/rajive/a/c      <dir>           2008-04-04 16:08        rwx------       
> rajive  users
> /user/rajive/a/d      <dir>           2008-04-04 16:08        rwx------       
> rajive  users
> $ hadoop dfs -ls /user/rajive/a/*
> /user/rajive/a/*/foo  <dir>           2008-04-04 16:09        rwx------       
> rajive  users
> $ hadoop dfs -rmr /user/rajive/a/*
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/*
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/b
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/c
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/d
> I am not able to escape '*' from being expanded.
> $ hadoop dfs -rmr '/user/rajive/a/*'
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/*
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/b
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/c
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/d
> $ hadoop dfs -rmr  '/user/rajive/a/\*'
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/*
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/b
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/c
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/d
> $ hadoop dfs -rmr  /user/rajive/a/\* 
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/*
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/b
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/c
> Moved to trash: hdfs://namenode-1:8020/user/rajive/a/d

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