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?

Here the sigil changes to $ to denote that you are accessing a scalar, however the trailing [0] tells perl that it is accessing a scalar element of the array in _ or in other words, @_.

Dec 30, 2010 · What is the meaning of @_ in Perl? perldoc perlvar is the first place to check for any special-named Perl variable info. Quoting: @_: Within a subroutine the array @_ contains the …

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.

Nov 23, 2020 · 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 …

如何从零开始学习 Perl？ 我是计算机硕士 C JAVA都学过 自我感觉代码能力不错吧 找到的实习是用perl开发 完全没用过 求推荐 多谢 显示全部 关注者 580 被浏览

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 167 ...

May 23, 2025 · I'm working on a Perl script. How can I parse command line parameters given to it? Example: script.pl "string1" "string2"

In Perl, the operator s/ is used to replace parts of a string. Now s/ will alter its parameter (the string) in place. I would however like to replace parts of a string befor printing it, as in pri...

Jan 25, 2015 · Thus perl is looping over the lines in the given files, executes the code with $_ set to the line and prints the resulting $_. The magic variabe $^I is set to an empty string. This turns on in place …