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
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
Learning Perl 4ed Reading Notes
Chapter2 scalar data1. Numbers. All data (INT, float) is of the double type in Perl. Of course, sometimes Perl also uses integer to represent int internally, because this can improve the running speed of the program,
Manually compile the Perl Module
Advantage: all modules are available.Disadvantage: A little troubleSpecific steps: 1 install the compiler 2 set the environment variable of the compiler 3 possibly install dmakeSpecific Method:
1. First of all,
First, open, close the file
Syntax is open (Filevar, filename), where Filevar is a file handle, or the program used to represent a file code name, filename is filename, its path can be relative path, can also be absolute path.
Copy Code code
Incident
I rummaged over the books that spread the case. These books are all about programming and system management. After so many years of working as a programmer, there have been countless projects and software. Every new friend asks me this
Part II network Programming with Perl
1 Input/output Basics
1.1 Filehandles
Filehandles are the foundation of networked applications. In this section we review the ins and outs of Filehandles. Even if you are a experienced Perl programmer, you
Perl Overview
Perl was first developed by Larry Wall and is a "glue" language, for example, converting the output of the previous program into the input of the next program. The first version of Perl was released in December 18, 1987 and has been
Reference: http://shouce.jb51.net/perl5/Web site environment configuration: http://www.jb51.net/article/74005.htm
The basic syntax of Perl http://www.jb51.net/shouce/Perl.htm
Preface: What is Perl, and what is it used for? Perl's original designer'
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