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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10294) Using backtick "`" as delimiter for parsing file path disallows "`" in file path name
Date Mon, 27 Jan 2014 23:16:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13883502#comment-13883502
] 

Andrew Wang commented on HADOOP-10294:
--------------------------------------

Hi Yongjun,

I tried a quick test with trunk and backticks via the fs shell, and things looked okay. Do
you have a small test case that reproduces this error?

{noformat}
-> % hadoop fs -mkdir /tickdir\`
-> % hadoop fs -touchz /tickdir\`/myfile
-> % hadoop fs -put ~/testfiles/4K.temp /tickdir\`/tickfile\`
-> % hadoop fs -ls /
Found 1 items
drwxr-xr-x   - andrew supergroup          0 2014-01-27 15:10 /tickdir`
-> % hadoop fs -ls /tickdir\`
Found 2 items
-rw-r--r--   3 andrew supergroup          0 2014-01-27 15:10 /tickdir`/myfile
-rw-r--r--   3 andrew supergroup       4096 2014-01-27 15:10 /tickdir`/tickfile`
-> % hadoop fs -ls file:///tmp/tickfile\`
Found 1 items
-rw-r--r--   1 andrew andrew       4096 2014-01-27 15:11 file:///tmp/tickfile`
-> % hadoop fs -cat /tickdir\`/tickfile\` > /dev/null
{noformat}

> Using backtick "`" as delimiter for parsing file path disallows "`" in file path name
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10294
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10294
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.3.0
>            Reporter: Yongjun Zhang
>
> This is the second issue reported in bug HADOOP-10293.
> When symlink code is enabled, it uses backtick "`" as delimiter when interpreting a path
and to tell whether it's a link or not. This disallows "`" to appear in file pathname that's
not a link.



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