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?

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 …

Sep 5, 2012 · @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 …

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 …

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

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 …

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 …

Possible Duplicate: What does =~ do in Perl? In a Perl program I am examining (namly plutil.pl), I see a lot of =~ on the XML parser portion. For example, here is UnfixXMLString (lines 159 to …

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…

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 …