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LRTHW笔记六
源码ex6-2.rb ：
types_of_people = 10x = "There are #{types_of_people} types of people." binary = "binary"do_not = "don‘t"y = "Those who know ‘#{binary}‘ and those who #{do_not}."z = ‘Those who know "#{binary}" and those who #{do_not}.‘puts xputs yputs "I said: #{x}"puts "I also said: ‘#{y}‘."puts "I also said: ‘#{z}‘."
结果是：
[ufindme@ufindme rubywork]$ ruby ex6-2.rb There are 10 types of people.Those who know ‘binary‘ and those who don‘t.I said: There are 10 types of people.I also said: ‘Those who know ‘binary‘ and those who don‘t.‘.I also said: ‘Those who know "#{binary}" and those who #{do_not}.‘.
这里注意一点：
双引号里面的单引号是原样输出，而单引号里面的双引号也是原样输出。
双引号里面的变量的输出时，变量用实际的值代替后输出显示。
单引号是不管引号里面的是什么，都源码输出，也没有替代。
LRTHW笔记六
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