====== 基本動作確認(HELLO) ======

===== puts表示・ループ確認 =====

<code ruby hello.rb>
s = "*** mruby test start ***\n"
print s

  -times do |i|
  puts "#{i} Hello, world!"
end

p s
</code>

実行結果

<code>
*** mruby test start ***
0 Hello, world!
1 Hello, world!
2 Hello, world!
3 Hello, world!
4 Hello, world!
"*** mruby test start ***\n"
</code>