have you looked into FileSystem API this is hadoop v2.2.0

http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/FileSystem.html

does not exist in
http://hadoop.apache.org/docs/r1.2.0/api/org/apache/hadoop/fs/FileSystem.html

 
org.apache.hadoop.fs.RemoteIterator<LocatedFileStatus<http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/LocatedFileStatus.html>
> *listFiles
<http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/FileSystem.html#listFiles%28org.apache.hadoop.fs.Path,%20boolean%29>*
(Path<http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/Path.html>
f,
boolean recursive)
          List the statuses and block locations of the files in the given
path.   
org.apache.hadoop.fs.RemoteIterator<LocatedFileStatus<http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/LocatedFileStatus.html>
> *listLocatedStatus
<http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/FileSystem.html#listLocatedStatus%28org.apache.hadoop.fs.Path%29>*
(Path<http://hadoop.apache.org/docs/r2.2.0/api/org/apache/hadoop/fs/Path.html>
 f)
          List the statuses of the files/directories in the given path if
the path is a directory.


On Thu, Mar 27, 2014 at 10:03 PM, Libo Yu <yu_l...@hotmail.com> wrote:

> Hi all,
>
> "hadoop path fsck -files -block -locations" can list locations for all
> blocks in the path.
> Is it possible to list all blocks and the block locations for a given path
> programmatically?
> Thanks,
>
> Libo
>

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