a1,a2,a3,a4 b1,b2,b3,b4 c1,c2,c3,c4
#!/usr/bin/ruby# -*- coding: utf-8 -*-require "csv"CSV.open(ARGV[0], "r") data=CSV.readlines(ARGV[0])puts data[0]
ruby csv.rb data.csv
a1 a2 a3 a4
puts data[1][2]
b3
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