Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/1178#issuecomment-46894621
Hm no I have not, though I'm not sure if we can use communicate() because I
think that waits till the end of the process before returning any stdout or
stderr, so that's not quite applicable to the shell (I could be totally making
this up, but that was my impression)
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