Github user nchammas commented on the pull request: https://github.com/apache/spark/pull/3916#issuecomment-77954145 Sorry to spam the PR with comments about Bash word splitting, @vanzin. I think what you have Bash-wise looks good, but as a matter of consistency I just went through and marked the places where Bash word splitting bugs are theoretically possible. As a habit, I think we should always quote Bash output (whether of variables, subshell, etc.), though I can see if in some cases you feel it would be unnecessary.
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