require "json"
$stdout.write JSON.generate(
{"a" => [0,1,2]},
{
:space => " ",
:indent => " ",
:object_nl => "\n",
:array_nl => "\n",
})
p "0\n1"
cmVxdWlyZSAianNvbiIKCiRzdGRvdXQud3JpdGUgSlNPTi5nZW5lcmF0ZSgKICAgIHsiYSIgPT4gWzAsMSwyXX0sCiAgICB7CiAgICAgICAgOnNwYWNlID0+ICIgIiwKICAgICAgICA6aW5kZW50ID0+ICIgICIsCiAgICAgICAgOm9iamVjdF9ubCA9PiAiXG4iLAogICAgICAgIDphcnJheV9ubCA9PiAiXG4iLAogICAgfSkKCnAgIjBcbjEiCg==