Support bash 4.2 so we don't have to modify all plugin test envs #1871
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My thinking here is if we’re going to have a baseline bash version requirement, then we should have a damn good reason for it. Currently, there is no real need to support
bash>=4.3; especially not for just one line of code.Given that this PR is so small and still maintains
bash<4.3support, I think it’s reasonable to maintain that support for now. If we end up finding ourselves having to go through uncomfortable machinations to supportbash>=4.2, then we punt and force thebash>=4.3requirement.