Rake file for importing a CSV file into an Active Record table.

import_csv.rake

require "csv"
desc "Import CSV file into an Active Record table"
task :csv_model_import, [:filename, :model] => :environment do |task,args|
  firstline=0
  keys = {}
 
  CSV.foreach(args[:filename]) do |row|
    if (firstline==0)
      keys = row
      firstline=1
      next
    end
 
    params = {}
 
    keys.each_with_index do |key,i|
      params[key] = row[i]
    end
 
    Module.const_get(args[:model]).create(params)
  end
end