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" <[email protected]> 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 <[email protected]> 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
>
>
>
