how to install ruby on rails with curl

C++
\curl -sSL https://get.rvm.io | bash -s stable --rails\curl -sSL https://get.rvm.io | bash -s stablegpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
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