Converts a list of .csv files to .json files.

csv_to_json.rb

#!/usr/bin/env ruby
#
# Converts a list of .csv files to .json files.


require 'csv'
require 'json'
require 'pathname'

ARGV.each do |filename|
  csv_file = Pathname.new(filename)
  File.open(csv_file.basename.sub(/\.csv$/, '.json'), 'w') do |json_file|
    json_file.write(CSV.read(csv_file).to_json)
  end
end