csv_parsing.rb

#!/usr/bin/env ruby
require 'csv'
require 'json'

if ARGV.length == 0
  puts "needs an argument. #{ARGV.length}"
  exit(1)
end

rows =[]
file_data = File.read(ARGV[0])
CSV.new(file_data, col_sep: '{', headers: true, quote_char: '"').each do |row|
  rows << row.to_hash
end

puts "output is:\n#{JSON.pretty_generate(rows)}"