fech2csv.rb

require 'rubygems'
require 'fech'
require 'fastercsv'

class Fech2CSV
  def initialize
    @filing_id = ARGV[0]
    @line      = ARGV[1]
    @filing    = Fech::Filing.new(@filing_id)
    @filing.download
    @lines = @filing.rows_like(/^#{@line}/)
  end

  def to_csv
    FasterCSV.open("/tmp/#{@filing_id}_#{@line}.csv", "w") do |csv|
      csv << @lines.first.keys
      @lines.each do |line|
        csv << line.values
      end
    end
  end
end

if __FILE__ == $0
  f = Fech2CSV.new
  f.to_csv
end