Simple Ruby CSV to YAML converter for Play framework Fixture

csv2yaml.rb

#!/usr/bin/env ruby
#
# Originally written by http://redartisan.com/tags/csv
# Added and minor changes by Gavin Laking
#
# "id","name","mime_type","extensions","icon_url"
# "1","unknown","unknown/unknown","||","/images/icon/file_unknown.gif"
# "2","image/tiff","image/tiff","|tiff|tif|","/images/icon/blank.png"
#
# if you want to remove the id: "number" line from the resulting YAML file
# do a find and replace for: ^( id: \"\d*\"\n) in Textmate

require 'csv'

class String
  def unquote
    self.gsub(/^"|"$/, '')
  end
end

entity_name = ARGV[0]
filename = ARGV[1]

# first line contains the field names
src = File.read(filename, :encoding => Encoding::UTF_8)
first_line = src.split(/(\r?\n)+/)[0] 
fields = first_line.split('","').collect {|f| f.unquote.chomp}

CSV.parse(src, :headers => true) do |row|
  fixture = "#{ARGV[0]}(#{row[0]}):\n"
  fields.each_with_index do |field, i|
    fixture += " #{field}: #{row[i]}\n"
  end

  puts fixture; puts
end

How to use

$ csv2yaml.rb [EntityName] [CSV file]