What If It Doesn’t Work?
Following directions like the ones in this chapter can be difficult. Typing commands at the command line is tough, because every character has to be exactly correct. Even if you follow every direction in this chapter, something might not work. You might be using an older system, or a different Ruby version might already be installed on your computer. If the command line says there is an error, scroll back and see whether you typed the command exactly as given. If you didn’t, start again at that point. If you can’t figure out where the install started to go wrong, start at the beginning. The installers we’ve used will not cause any problems if run more than once. If you are still having trouble getting Ruby and Gosu up ...
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