See http://memect.co/call-java-from-python-so
You can also use Py4J
On Thu, May 19, 2016 at 3:20 PM, ayan guha <guha.a...@gmail.com> wrote:
> Hi
>
> Thanks for the input. Can it be possible to write it in python? I think I
> can use FileUti.untar from hdfs jar. But can I do it from python?
> On 19 May 2016 16:57, "Sun Rui" <sunrise_...@163.com> wrote:
>
>> 1. create a temp dir on HDFS, say “/tmp”
>> 2. write a script to create in the temp dir one file for each tar file.
>> Each file has only one line:
>> <absolute path of the tar file>
>> 3. Write a spark application. It is like:
>> val rdd = sc.textFile (<HDFS path of the temp dir>)
>> rdd.map { line =>
>> construct an untar command using the path information in “line”
>> and launches the command
>> }
>>
>> > On May 19, 2016, at 14:42, ayan guha <guha.a...@gmail.com> wrote:
>> >
>> > Hi
>> >
>> > I have few tar files in HDFS in a single folder. each file has multiple
>> files in it.
>> >
>> > tar1:
>> > - f1.txt
>> > - f2.txt
>> > tar2:
>> > - f1.txt
>> > - f2.txt
>> >
>> > (each tar file will have exact same number of files, same name)
>> >
>> > I am trying to find a way (spark or pig) to extract them to their own
>> folders.
>> >
>> > f1
>> > - tar1_f1.txt
>> > - tar2_f1.txt
>> > f2:
>> > - tar1_f2.txt
>> > - tar1_f2.txt
>> >
>> > Any help?
>> >
>> >
>> >
>> > --
>> > Best Regards,
>> > Ayan Guha
>>
>>
>>
