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% perl -MO=Deparse,-p -ce '($x) ? $z = "true" : $z = "false";' (($x ? ($z = "true") : $z) = "false"); -e syntax OK %
% perl -wle '$x = 1; $x ? ($z = "true") : ($z = "false"); print $z' true ... % perl -wle '$x = 1; $z = $x ? "true" : "false"; print $z' true %