Ruby 2.7 : Install2021/09/22 |
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Install Ruby.
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| [1] | Install Ruby 2.7. |
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root@dlp:~#
root@dlp:~# apt -y install ruby2.7 ruby -v ruby 2.7.4p191 (2021-07-07 revision a21a3b7d23) [x86_64-linux-gnu] # verify to create test script
root@dlp:~# cat > ruby_test.rb <<'EOF'
msg = Class.send(:new, String);
mymsg = msg.send(:new, "Hello Ruby World !\n");
STDOUT.send(:write, mymsg)
EOF
root@dlp:~# ruby ruby_test.rb Hello Ruby World ! |