I. Data Types(Data type):
Perl has four data types: Scalar (variable), Scalar Array (Array), Hash Array (Hash), and References (pointer ), it seems to be rare, but it is more than enough to use it. Especially when writing Perl programs, you do not
one. DataType (data type ):Perl's data types are roughly four: Scalar (variables), Scalar Array (array), hash array (hash), References (pointer), but they seem to be small but more than sufficient. In particular, you can write a Perl program without
About the origins and characteristics of Perl and Python
Perl is the abbreviation of practical extraction and report Language, created by Larry Wall in 1987, originally designed to facilitate the processing of reports on UNIX, and has become a fully
Interactive publishing network computer channel. A book tutorial for you on the Perl language is recommended. Includes Perl push, Perl Chomp, and Perl python content.perl language book One, "Perl Language Programming fourth edition (in the book)
1. List and array. The list mentioned in this book is a data structure. array is the data type used to store the list in Perl. In most cases, these two words can be exchanged, meaning the same. Unlike C, the Perl array does not need to define the
What is Perl?
Perl is a free and open-source scripting language created by Larry Wall. This language is mainly intended for practical and rapid development,
Structured Programming is incompatible with the popular object-oriented programming.
14th Chapter PERL5 Packages and modulesby FlamephoenixFirst, Require function1. Require functions and sub-Libraries2. Specify the Perl version with requireSecond, the package1, the definition of the package2, switch between the package3. Main
I. Introduction of the ModuleModule is the Perl package. The Perl object is based on a reference to the data item in the package.When you use object-oriented programming in other languages, you declare a class and then create an object (instance) of
transferred from: http://perl.apache.org/docs/general/perl_reference/perl_reference.html
Use (), require (), do (),%inc and @INC explained
The @INC array
@INC is a special Perl variable which is the equivalent of the shell ' s PATH variable.
From: http://perl.apache.org/docs/general/perl_reference/perl_reference.html Use (), require (), Do (), % INC and @ INC explained
The @ INC Array
@ INCIs a special Perl variable which is the equivalent of the shell'sPathVariable.
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