How to replace multiple newlines in a row with one newline using Ruby

Question

I have a script written in ruby. I need to remove any duplicate newlines (e.g.)

\\n
\\n
\\n

to

\\n

My current

Answer 1

Simply calling split will also trim out all of your whitespace.

You need to pass \n to split

>> "one   ok \ntwo\n\nthree\n".split(/\n+/).join("\n")
=> "one  ok \ntwo\nthree"