[Work] Ruby, organize text file

files=["stokesCR025.txt",\
       "stokesCR05.txt",\
       "stokesCR10.txt",\
       "stokesCR15.txt",\
       "stokesCR20.txt",\
       "stokesCR25.txt",\
       "stokesCR30.txt",\
       "stokesCR35.txt",\
       "stokesCR40.txt",\
       "stokesCR45.txt",\
       "stokesCR50.txt"]
rough=[0.025, 0.050, 0.100, 0.150, 0.200, 0.250, 0.300,0.350,0.400,0.450,0.500]

num=files.size

fout=File.new("curve.txt", "w")
for j in 0..num-1
    fname=files[j]
    puts "fname "+fname
    roughness=rough[j]
   
    file = File.new(fname, "r")
    i=0
    while i<2 do
        line = file.gets
        i=i+1
    end
    value1=line.match(/^[0-9]* /)
    puts value1.to_s
    value2=line.match(/ [-,.,0-9]*$/)
    puts value2.to_s
    file.close   
   
    fout.puts roughness.to_s+"  "+value2.to_s
end
fout.close