gistfile1.rb

def bash_format(formats, text)
  res = "\e[0"
  colors = { :red =>";31", :yellow => ";33", :green => ";32" }
  styles = { :bold => ";1", :underline => ";4" }
  if formats.is_a?(Array) || formats.is_a?(Hash)
    colors.each { |k,v| res += v if formats.include?(k) }
    styles.each { |k,v| res += v if formats.include?(k) }
  elsif formats.is_a?(Symbol)
    colors.each { |k,v| res += v if formats == k }
    styles.each { |k,v| res += v if formats == k }
  elsif formats.respond_to?(:to_sym)
    colors.each { |k,v| res += v if formats.to_sym == k }
    styles.each { |k,v| res += v if formats.to_sym == k }
  end
  res += "m" + text.to_s + "\e[0m"
end