Perl-function

59 posts

Last Updated: 28 July 2020

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

Perl

Picked

Perl-hashes

Perl-function

Perl - Closure Function

Last Updated: 02 July 2020

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 ref ...read more

Perl

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Perl-function

Perl | Multiple Subroutines

Last Updated: 29 May 2019

Prerequisite: Perl | Subroutines or FunctionsA Perl function or subroutine is a group of statements that together perform a specific task. I ...read more

Perl

Perl-function

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Perl | tell() Function

Last Updated: 07 May 2019

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...read more

Last Updated: 07 May 2019

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 ...read more

Perl | srand() Function

Last Updated: 07 May 2019

The srand() function in Perl helps rand() function to generate a constant value each time the program is run.This srand() function uses the ...read more

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Perl | sqrt() Function

Last Updated: 07 May 2019

Many times it happens that while solving mathematical expressions we require to calculate the square root of a number.To solve this issue, l ...read more

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Perl | prototype() Function

Last Updated: 28 February 2019

prototype() function in Perl returns a string containing the prototype of the function or reference passed to it as an argument, or undef if ...read more

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Perl | oct() Function

Last Updated: 25 June 2019

oct() function in Perl converts the octal value passed to its respective decimal value. For example, oct('1015') will return '525'. This fun ...read more

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Perl | reset() Function

Last Updated: 28 February 2019

reset() function in Perl resets (clears) all package variables starting with the letter range specified by value passed to it. Generally it ...read more

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Perl | lcfirst() Function

Last Updated: 25 June 2019

lcfirst() function in Perl returns the string VAR or $_ after converting the First character to lowercase.Syntax: lcfirst(VAR)Parameter:VAR: ...read more

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Perl | sin() Function

Last Updated: 25 June 2019

This function is used to calculate sine of a VALUE or $_ if VALUE is omitted. This function always returns a floating point.Syntax: sin(VALU ...read more

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Perl | cos() Function

Last Updated: 25 June 2019

This function is used to calculate cosine of a VALUE or $_ if VALUE is omitted. The VALUE should be expressed in radians.Syntax: cos(VALUE)P ...read more

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Perl | atan2() Function

Last Updated: 25 June 2019

This function is used to calculate arctangent of Y/X in the range -PI to PI.Syntax: atan2(Y, X)Parameters: Y and X which are axis valuesRetu ...read more

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