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[14:29:33] ascheel: has left #ruby: ()


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[15:23:55] ascheel: I'm attempting to use 'cucumber' and 'aruba' as provided by an instructor for checking the output of assignments. His is set up to be for Ubuntu 16.04 and I'm running that on a server. I'm getting lots of variable not defined errors. I'm guessing that there are version mismatches, but I don't know how to diagnose it since I don't know Ruby. Lines 2-5 are the actual error. How can I diagnose the real issue?
[15:24:20] ascheel: undefined local variable or method `cmd' for #<Aruba::Processes::SpawnProcess:0x00000003103b98>