Grokking CSVs Easier in STDOUT

#!/usr/bin/env ruby

require 'rainbow' # To make things a bit more readable

require 'csv' # using just split won't work cause of \n in some fields

if ARGV[0].nil?

 puts "#{$0} <csv_file>"

 exit

end

i = 0

headers = []

header_index = 0

CSV.foreach(ARGV[0], :quote_char => '"', :col_sep =>',', :row_sep =>:auto) do |line|

 line.each do |column|

   if i == 0

     headers.push(column)

   end

   if i % 2 == 0

     puts headers[header_index].upcase

     puts "#{column}\n"

   else

     puts headers[header_index].upcase.inverse

     puts "#{column}\n".inverse
   end
   header_index += 1
 end
 header_index = 0
 i += 1
end