You can use whichever editor you prefer from irb with an extension (might be builtin now? I mostly use pry, which respects $EDITOR) - the last thing I'd want wo

You can use whichever editor you prefer from irb with an extension (might be builtin now? I mostly use pry, which respects $EDITOR) - the last thing I'd want would be an editor forced on me. The multi line input is for the really trivial stuff.