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Perl code can be made portable across Windows and Unix; such code is often used by suppliers of software (both commercial off-the-shelf (COTS) and bespoke) to simplify packaging and maintenance of software build- and deployment-scripts. [citation needed] Perl/Tk and wxPerl are commonly used to add graphical user interfaces to Perl scripts.
The structure of the Perl programming language encompasses both the syntactical rules of the language and the general ways in which programs are organized. Perl's design philosophy is expressed in the commonly cited motto " there's more than one way to do it ".
Larry Wall adopted shell scripting's use of sigils for his Perl programming language. [ citation needed ] In Perl, the sigils do not specify fine-grained data types like strings and integers, but the more general categories of scalars (using a prefixed " $ "), arrays (using " @ "), hashes (using " % "), and subroutines (using " & ").
Such programs are called "scripts". In this regard, perl is considered to be a scripting language. Typical operations performed by shell scripts include program execution, printing text, and file manipulation (copying, renaming, deleting, etc.). Being an interpreted language, perl has the following advantages: Platform independence
In computing, a script is a relatively short and simple set of instructions that typically automate an otherwise manual process. The act of writing a script is called scripting . Scripting language or script language describes a programming language that is used for scripting.
Provide a place for Perl programmers to compare notes on Perl resources helpful in using and developing Wikipedia, and for creating and sharing scripts for those purposes. Build a repository of Perl scripts for using or developing Wikipedia. Find out the actual name of the camel in the picture.
CGI.pm is a large and once widely used Perl module for programming Common Gateway Interface (CGI) web applications, providing a consistent API for receiving and processing user input. There are also functions for producing HTML or XHTML output, but these are now unmaintained and are to be avoided. [ 1 ]
In these languages, including the line __DATA__ (Perl) or __END__ (Ruby, old Perl) marks the end of the code segment and the start of the data segment. Only the contents prior to this line are executed, and the contents of the source file after this line are available as a file object: PACKAGE::DATA in Perl (e.g., main::DATA) and DATA in Ruby ...