in reply to system and $?
I'm getting -1 on all platforms and perl versions I tried:
perl -le 'system "no-such-program"; print "$? $^O $]"'
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
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