floor_generator.rb

data = IO.read('test-floor.txt').lines.map(&:chomp)

def surround(data)
    3.times do 
        data.map! do |item|
            item = item.split("") if item.is_a? String
            item.unshift("w")
            item.push("w")
        end
        data.push(Array.new(data[0].length, "w"))
        data.unshift(Array.new(data[0].length, "w"))
    end
    data.map! do |item|
        item = item.split("") if item.is_a? String
        item.unshift("x")
        item.push("x")
    end
    data.push(Array.new(data[0].length, "x"))
    data.unshift(Array.new(data[0].length, "x"))

    data.map! do |item|
        item.push("\n")
        item.join("")
    end
    return data
end


surround(data).each do |line|
    File.write("floor.txt", line, mode: "a")
end


# File.write("floor.txt", surround(data).join(""))