This question already has an answer here:

I accidentally deleted files under /Library/Ruby/ and /System/Library/Frameworks/Ruby.framework/ folders. Now, is there any way to recover them or install fresh Ruby setup?

marked as duplicate by grg, nohillside Jan 3 '15 at 13:20

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Browse other questions tagged .