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Bookmark or Share- perl - Global symbol requires explicit package name - Stack OverflowGlobal symbol requires explicit package name? Why has this occurred and what are various cases that can cause this error?
- operators - What is the difference between "||" and "or" in Perl ...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.
- 敢问 Perl 比 Python 好在哪里？ - 知乎从我对Python的少量了解来看，Perl大概有这么几个优势： 性能稍微好一点，不过十分不显著。而且Perl的Moose对象系统会造成10%左右的性能损失。如果你用Perl构建比较复杂的系统，使用了Moose，那对Python的性能优势应当会被抹回去。 Perl的灵活程度据说比Python要高。
- syntax - What are the differences between $, @, % in Perl variable ...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, @_. – Eric Strom
- What does the -> arrow do in Perl? - Stack OverflowPerl 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 completeness for the question in the title.
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