require 'optparse' options = { :environment => (ENV['RAILS_ENV'] || "development").dup } code_or_file = nil ARGV.clone.options do |opts| script_name = File.basename($0) opts.banner = "Usage: #{$0} [options] ('Some.ruby(code)' or a filename)" opts.separator "" opts.on("-e", "--environment=name", String, "Specifies the environment for the runner to operate under (test/development/production).", "Default: development") { |v| options[:environment] = v } opts.separator "" opts.on("-h", "--help", "Show this help message.") { $stderr.puts opts; exit } if RUBY_PLATFORM !~ /mswin/ opts.separator "" opts.separator "You can also use runner as a shebang line for your scripts like this:" opts.separator "-------------------------------------------------------------" opts.separator "#!/usr/bin/env #{File.expand_path($0)}" opts.separator "" opts.separator "Product.find(:all).each { |p| p.price *= 2 ; p.save! }" opts.separator "-------------------------------------------------------------" end opts.order! { |o| code_or_file ||= o } rescue retry end ARGV.delete(code_or_file) ENV["RAILS_ENV"] = options[:environment] RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV) require RAILS_ROOT + '/config/environment' begin if code_or_file.nil? $stderr.puts "Run '#{$0} -h' for help." exit 1 elsif File.exist?(code_or_file) eval(File.read(code_or_file), nil, code_or_file) else eval(code_or_file) end ensure RAILS_DEFAULT_LOGGER.flush if RAILS_DEFAULT_LOGGER end