# File lib/whenever/command_line.rb, line 11
    def initialize(options={})
      @options = options
      
      @options[:file]       ||= 'config/schedule.rb'
      @options[:identifier] ||= default_identifier
      
      unless File.exists?(@options[:file])
        warn("[fail] Can't find file: #{@options[:file]}")
        exit(1)
      end

      if @options[:update] && @options[:write]
        warn("[fail] Can't update AND write. choose one.")
        exit(1)
      end
    end