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Introduction to Perl datetime

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Syntax:

The Perl script always has the default variables, keywords, and functions used to handle the applications. Likewise, the datetime is the reference or instance of the specific function called localtime() this function which helps to display the current local date and time of the machine. Likewise, gmtime(), time() or the other predefined functions are calculated as the date and time intervals.

#!/usr/bin/perl use DateTime; $variable name = localtime(); ---some perl script codes based on the application requirements---

The above codes are the basic syntax for creating the dates and times in the system with the help of localtime() function. The variables and other inbuilt methods are used for calculating the date and time intervals at the specific regions.

How does the datetime Function work in Perl?

The Perl script is most important, and it is widely used for portable and cross over platforms. It is mainly intended and co-ordinated with the other supporting platforms like object-oriented, stored procedurals etc. The Date and Time references are handled by using the pre-defined modules of the Perl scripts in that DateTime are one of the pre-defined modules, and using this module, the Perl script will use the default class as DateTime packages it ahs followed with some old and new scientific calendars with time formats. When we use localtime() method in Perl, the current date and time are shown; we won’t need any arguments to be passing in the method. Date Time is calculated using the some formats like %dd, %mm, %yy, %hh” date, month, year and hour when we call this reference in the script wherever it requires it. By using the “ set” keyword and methods the date and time are set for consolidated regions.

Examples

Given below are the examples of Perl datetime:

Example #1

Code:

#!/usr/local/bin/perl use POSIX qw(strftime); $var1 = strftime "%c %d %a %S:%H:%M %Y", localtime; printf("Welcome To My Domain - $var1n"); $var1 = strftime "%c %d %a %S:%H:%M %Y", gmtime; printf("welcome User - $var1n"); $var1 = strftime "%a %d %a %S:%S:%H %M", localtime; printf("Have a Nice Day - $var1n"); print time(); $var1 = strftime "%e %r %p %S:%H:%M %H", gmtime; printf("Nice Users - $var1n"); print time(); $var1 = strftime "%p %d %a %HH:%MM:%SS %Y", localtime; printf("Your tie counts- $var1n"); print time(); $var1 = strftime "%c %b %a %S:%H:%M %Y", gmtime; printf("Thanks users - $var1n"); print time(); Example #2

Code:

use POSIX; use Time::Piece; my $var = localtime(); use POSIX; use Time::Piece; my $var = localtime(); my (undef,undef,undef,$yr,$dyays,$mnths) = localtime; $yr = $yr+1900; $mnths += 2; if (length($mnths) == 1) {$mnths = "$mnths";} if (length($yr) == 1) {$yr = "$yr";} my $tdy = "$yr/$mnths/$dyays";

Output:

Example #3

Code:

#!/usr/bin/perl -w use strict; use DateTime; my ($var, $var1, $var2, $var3, $var4, $var5, $var6, @dates); while ($var <= $var1) { push(@dates, $var); } } for (@dates) { print $_, $/, $-; print "$var2n, $var3n, $var4n, $var5n, $var6n"; }

Output:

Conclusion

In concluded part, the Perl datetime module will use the users for to customize the applications in the different regions. Due to the default methods, it can be achieved with the requirements the methods are achieving the overloading for both implicit and explicit conversions it has been used for all the inbuilt operations of the Perl scripts.