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Perl 学习笔记 --- 10 第1010.1 unless10.2 until10.3 10.4 for10.5 10.6

 
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提高部分,开始!

-----------xiaobin--- 2012.2.21

------------------------------------------------------------------完美的分割线----------

第10章:

10.1 unless

条件为假(与if相反)

10.2 until

条件为假(与while相反)

10.3 自增和自减

同c语言


10.4 for

同c语言

10.4.1 foreach

等同于for,但是没有两个分号。

10.5 不同的循环控制关键字

10.5.1 last

同c语言的“break”

10.5.2 next

同c语言的“continue”

10.5.3 redo

不进行“循环控制表达式”操作的“next”。

10.6 逻辑操作符

逻辑与:&&

逻辑或:||



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