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  1. 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?

  2. What is the meaning of @_ in Perl? - Stack Overflow

    Dec 30, 2010 · 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 …

  3. operators - What is the difference between "||" and "or" in Perl ...

    Nov 10, 2019 · 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.

  4. Perl flags -pe, -pi, -p, -w, -d, -i, -t? - Stack Overflow

    Jun 10, 2011 · 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 …

  5. What does the -> arrow do in Perl? - Stack Overflow

    7 Perl arrow operator has one other use: Class−>method invokes subroutine method in package Class though it's completely different than your code sample. Only including it for …

  6. How can I parse command-line arguments in a Perl program?

    I'm working on a Perl script. How can I parse command line parameters given to it? Example: script.pl "string1" "string2"

  7. How does double arrow (=>) operator work in Perl? - Stack Overflow

    Feb 2, 2016 · The => operator in perl is basically the same as comma. The only difference is that if there's an unquoted word on the left, it's treated like a quoted word. So you could have …

  8. [办公编程]Python不算啥,我已经有更好的选择——Perl (一文快速 …

    Nov 23, 2020 · 2.1 Perl变量 要赋值,就要先了解Perl的变量,当我了解这部分的时候挺惊讶于变量的设计思路,Perl所有数字的内部变量都是双精度浮点数(double-precision floating-point)有 …

  9. Perl 是一门冷门的语言吗,关注者和问题数这么少?

    Perl 是一门冷门的语言吗,关注者和问题数这么少? 我想学正则,有几个人都推荐了 perl ,说它是为了文本处理而生。 但 perl 话题的关注者不到 5000人,问题数不到 300 ,这是由于 perl…

  10. 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 …