puts \"Hello World!\"
When I click CTRL+B (Tools->Build) I get the following error in the console
[Errno 2] No such file or
The problem seems to be the ~ in your Ruby command path. It may not be very general, but try to change
"cmd": ["~/.rvm/bin/rvm-auto-ruby", "$file"]
with
"cmd": ["/home/your_username/.rvm/bin/rvm-auto-ruby", "$file"]