[Rails] 240.chr different on Linux than Windows?

    I'm sending a string through a socket connection from a rails app to another application. The string is delimited with 240.chr. On windows it runs fine, on Linux, it seems to put in a different looking character in for 240.chr. Is this some sort of encoding issue? Is there something simple I am overlooking? Thanks, RVic.

    delim = 240.chr
    if userSelected.blank?
      userSelected = userSending
    end   
    s=row.to_s+delim+userSending+delim+userSelected+delim+message+delim+notes 

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