O Reilly Ruby Cookbook source code

				'foobar'.each_byte { |x| puts "#{x} = #{x.chr}" }				# 102 = f				# 111 = o				# 111 = o				# 98 = b				# 97 = a				# 114 = r				#---				'foobar'.scan( /./ ) { |c| puts c }				# f				# o				# o				# b				# a				# r				#---				"foo\nbar".each { |x| puts x }				# foo				# bar				#---				french = "\xc3\xa7a va"				#---				french.scan(/./) { |c| puts c }				#