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  • operators - What does =~ do in Perl? - Stack Overflow
    51 I guess the tag is a variable, and it is checking for 9eaf - but does this exist in Perl? What is the "=~" sign doing here and what are the " " characters before and after 9eaf doing?
  • What is the meaning of @_ in Perl? - Stack Overflow
    128 perldoc perlvar is the first place to check for any special-named Perl variable info Quoting: @_: Within a subroutine the array @_ contains the parameters passed to that subroutine More details can be found in perldoc perlsub (Perl subroutines) linked from the perlvar: Any arguments passed in show up in the array @_
  • operators - What is the difference between || and or in Perl . . .
    53 From Perl documentation: OR List operators On the right side of a list operator, it has very low precedence, such that it controls all comma-separated expressions found there
  • [办公编程]Python不算啥,我已经有更好的选择——Perl (一文快速入门,附详细举例)
    骆驼书Learning Perl 《Learning Perl》骆驼书,全书加附录一共363页,很多对不对。买到书后我是如何翻这363页快速翻到Perl入门级? 我的答案是:不用每页都细读, 快速翻看目录找共同点和重点来看。我学习新语言的方式是找以往编程语言入门 共同点 和 重点,比如 基础变量, 控制循环,构建函数 共同
  • Whats the use of lt; gt; in Perl? - Stack Overflow
    @pst, <> is not a file handle, "null" or otherwise It's an operator Specifically, the readline operator There's a reference to it as the "angle operator" in perlvar, although there isn't actually any such operator The angle brackets are used by two operators: readline or glob The operator depends on the contents of the brackets
  • Perl flags -pe, -pi, -p, -w, -d, -i, -t? - Stack Overflow
    Below are the flags that I encounter most often, and I don't have a clue what they mean: perl -pe perl -pi perl -p perl -w perl -d perl -i perl -t I will be very grateful if you tell me what each of those mean and some use cases for them, or at least tell me a way of finding out their meaning
  • What does the - gt; arrow do in Perl? - Stack Overflow
    The outer part is a dereference - this implies is a reference to an array, so this operator deferences it to refer to the array directly, which is then copied to Chapter 8 of the ' Camel Book ' is a good place to learn about references, or the perlref section of the Perl documentation The arrow operator is an object dereference, in this case fetching the member of the object Similarly, later
  • 如何从零开始学习 Perl? - 知乎
    注:笔者主要使用Perl做软件测试方面开发 按照笔者自己的经历,从对Perl一无所知到可以上手干活,可以从小骆驼书—— Learning Perl (豆瓣) 开始。快速浏览加实践下书上代码,两天就可以读个大概。 不过小骆驼书只覆盖了Perl Programming最基础的一部分知识,当你需要用Perl做面对对象或者大型程序编程
  • terminology - What does ~~ mean in Perl? - Stack Overflow
    5 It is the smartmatch operator In general, when you want information about operators in Perl, see perldoc perlop
  • 学Perl还是Python? - 知乎
    使用Perl的另外一个好处就是,很多的IDE工具能完美处理Perl那样的语法。 这是因为Perl和c,c++,c#那样的语法,使用了花括号,使得智能编辑器能很方便的进行智能填充。 但是,Python是使用空位来定于逻辑区,导致很多编辑器的智能功能无法实行。





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