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  • Thanks for the reminder about 'expect', Alex. It's been so long since I've used it that I almost forgot about it. Commented Jul 2, 2016 at 20:34
  • You could also do it all in a "simple" scripting language like python, instead of using socat for listening, expect for answering, and sh for gluing it all together. Or any language really. Commented Jul 2, 2016 at 20:38