if ENV["_"] =~ /ruby\-prof/
  if ARGV.empty?
    ARGV.concat Dir[File.join(File.dirname(__FILE__), 'spec/**/*_spec.rb')]
  end
  ARGV.each do |fi|
    next unless File.file? fi
    load fi
  end
else
  puts <<-end_banner
    This script will use ruby-prof to run the specs.

    Usage: ruby-prof do_profile.rb
  end_banner
end