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Perl-function

59 posts

Coercions in Perl

Last Updated: 15 July 2025

In Perl, there are values of different types like strings, integers, rational numbers, and more. Coercion is responsible for converting one data type of data or object to ...read more

Perl - Difference between Functions and Subroutines

Last Updated: 15 July 2025

In Perl, when a code-script gets bigger in size i.e. contains hundreds of lines of code, it becomes difficult to manage such a code-script. To avoid this difficulty, Perl ...read more

Perl - Closure Function

Last Updated: 15 July 2025

Closure is one of the important concepts in Perl. Closure is a computer term with an accurate but a hard to explain meaning. It is often referred as a function that can be...read more

Perl | AUTOLOAD Function

Last Updated: 12 July 2025

In Perl, Autoload is a routine or a mechanism which is defined into a package. It is simple to use. It is applied whenever there is an undefined routine called within the ...read more

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Perl | Useful String functions

Last Updated: 12 July 2025

A string in Perl is a scalar variable and start with a ($) sign and it can contain alphabets, numbers, special characters. The string can consist of a single word, a group...read more

Perl-String-Functions

Perl | Useful Array functions

Last Updated: 12 July 2025

In Perl, array is a special type of variable. The array is used to store the list of values and each object of the list is termed as an element. Elements can either be a n...read more

Perl-Array-Functions

Perl | Useful Math functions

Last Updated: 12 July 2025

In Perl, sometimes there is a need to solve various expressions that contain some mathematical operations. These mathematical operations can be performed with the use of v...read more

Perl-Math-Functions

Perl | glob() Function

Last Updated: 11 July 2025

glob() function in Perl is used to print the files present in a directory passed to it as an argument. This function can print all or the specific files whose extension ha...read more

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Perl-File-Functions

Perl | Mutable and Immutable parameters

Last Updated: 11 July 2025

A Perl function or subroutine is a group of statements that together perform a specific task. In every programming language, the user wants to reuse the code. So the user ...read more

Perl | Multiple Subroutines

Last Updated: 11 July 2025

Prerequisite: Perl | Subroutines or FunctionsA Perl function or subroutine is a group of statements that together perform a specific task. In every programming language us...read more

Perl | chomp() Function

Last Updated: 11 July 2025

The chomp() function in Perl is used to remove the last trailing newline from the input string.Syntax: chomp(String) Parameters: String : Input String whose trailing newli...read more

Perl-String-Functions

Perl | wantarray() Function

Last Updated: 11 July 2025

wantarray() function in Perl returns True if the currently executing subroutine expects to return a list value, and false if it is looking for a scalar value.Syntax: wanta...read more

Perl-Array-Functions

Perl | exists() Function

Last Updated: 11 July 2025

The exists() function in Perl is used to check whether an element in an given array or hash exists or not. This function returns 1 if the desired element is present in the...read more

Perl-Array-Functions

Perl-Hash-Functions

Perl | tell() Function

Last Updated: 11 July 2025

tell() function in Perl is used to get the position of the read pointer in a File with the use of its FileHandle. If no FileHandle is passed then it returns the position w...read more

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Perl-File-Functions

Perl | getc Function

Last Updated: 11 July 2025

getc() function in Perl is used to read the next character from the file whose File Handle is passed to it as argument. If no FileHandle is passed then it takes one charac...read more

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Perl-File-Functions

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