perl join array

Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting

Which platforms have Perl on? Where are we going to find them? The standard release of Perl (maintained by the Perl Development Group) is distributed only in the original code form. You can obtain it at http://www.perl.com/cpan/src/latest.tar.gz.

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

Perl Arraysa Perl array is a list variable that stores scalar values, and variables can be of different types. array variables begin with @. Access array elements are read using the $ + variable name + [index value] format. 1. Creating an array1.

One, List A list is a sequence of values enclosed in parentheses that can be any value or NULL, such as: (1, 5.3, "Hello", 2), empty list: ().Note: A list containing only one numeric value (for example: (43.2)) is different from the value itself

I. List The list is a sequence of values contained in parentheses. It can be any value or empty, for example: (1, 5.3, "hello", 2), empty list :(). Note: The list containing only one value (for example, (43.2) is different from the value itself (I

One, List A list is a sequence of values enclosed in parentheses that can be any value or NULL, such as: (1, 5.3, "Hello", 2), empty list: (). Note: A list containing only one numeric value (for example: (43.2)) is different from the value itself

24 hours of Perl programming course questionsI. multiple choice questions1. Which of the following strings is incorrectly defined ()(1) 'Thank you'(2 )""(3) "A" friend "of yours"(4) "A/" friend/"of yours"2. Which of the following statements is