difference between and in perl

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

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

Author: hoowa Source: AKA magazine "How did Larry Wall invent a messy programming language-and then changed the Web landscape? " Larrywall smiled and recalled the message that David Filo, the co-founder of Yahoo, sent to him a few years ago,

What is Perl? Perl is a high-level programming language, written by Larry Wall and many others, and incorporates the characteristics of many languages. It is mainly by the ubiquitous C language, followed by the SED, Awk,unix shell and at least a

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

! Preview· the development trend of language must be the combination of static and dynamic, flexible and economic· Perl is obscure, Python is elegant and clear, Ruby is smart, and PHP is simple· Perhaps elegance comes from the attention to detail

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,

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time,

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

Perl is a very useful language that can be used to do a lot of things. However, it is only a language, mastering Perl, you just mastered a small piece of knowledge in the field of computer. Before you learn Perl, be clear about your learning