perl pass array to sub

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

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

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

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

First, the definitionA subroutine is a separate piece of code that performs a special task, which can reduce duplication of code and make the program easier to read. In Perl, subroutines can appear anywhere in the program. The definition method

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.

1. Simple Variables ============== 1. Integer$ X = 123456;Perl stores integer data in floating-point registers. In fact, integer variables are treated as floating-point numbers in Perl, but they are only a special column of floating-point data.The

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.

I. subprogram concept: A subroutine is a function. It is a piece of code that executes the separation of special tasks. Using a subroutine can improve the reusability of the Code. From the perspective of usage, subprograms can be divided into four