perl - How to remove the carriage return and replace it with a space in a text file? -

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I'm reading from a text file so that's what I want to: To get that car back, Add location.

I tried to do this but I am getting an error 

  $ text = ~ s / \ n + / \ s / g; The correct side of the replacement is a string, not a regex, then you have to put it. A lexical place instead of  \ s : 
 
  $ text = ~ s / \ n + / / g;

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