22 Jul 2016 15:47:47 UTC
- Distribution: Time-DayOfWeek
- Module version: 1.8
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Time::DayOfWeek - calculate which Day-of-Week a date is
This documentation refers to version 1.8 of Time::DayOfWeek, which was released on Fri Jul 22 10:16:29:07 -0500 2016.
#!/usr/bin/perl use strict;use warnings;use utf8;use v5.10; use Time::DayOfWeek qw(:dow); my ($year, $month, $day) = (2003, 12, 7); say "The Day-of-Week of $year/$month/$day (YMD) is: ", DayOfWeek($year, $month, $day); say 'The 3-letter abbreviation of the Dow is: ', Dow( $year, $month, $day); say 'The 0-based index of the DoW is: ', DoW( $year, $month, $day);
This module just calculates the Day-of-Week for any particular date. It was inspired by the clean Time::DaysInMonth module written by David Muir Sharnoff <Muir@Idiom.Com>.
Time::DayOfWeek's core function which does the calculation and returns the weekday index answer between 0 and 6. If no Year is supplied, 2000 C.E. is assumed. If no Month or Day is supplied, they are set to 1. Months are 1-based with values between 1 and 12. Days similarly range from 1 through 31.
DoW() is the only function that is exported from a normal 'use Time::DayOfWeek;' command. Other functions can be imported into the local namespace explicitly or with the following tags:
:all - every function described here :dow - only DoW(), Dow(), and DayOfWeek() :nam - only DayNames() and MonthNames() :day - everything but MonthNames()
Dow() is the same as DoW() above but returns 3-letter day abbreviations running from 'Sun' through 'Sat'.
DayOfWeek() is the same as DoW() above but returns full day names from 'Sunday' through 'Saturday'.
DayNames() can override default day names with the strings in @NewDayNames. The current list of day names is returned so call DayNames() with no parameters to obtain a list of the default day names.
An example call for Spanish days would be:
DayNames('Domingo', 'Lunes', 'Martes', 'Miercoles', 'Jueves', 'Viernes', 'Sabado');
MonthNames() has also been included to provide a centralized name set. Just like DayNames(), this function returns the current list of month names so call it with no parameters to obtain a list of the default month names.
Revision history for Perl extension Time::DayOfWeek:
- - 1.8 G7MMAGT7 Fri Jul 22 10:16:29:07 -0500 2016
* updated license to GPLv3
* removed PT from VERSION
- - 1.6.A6FFxZB Tue Jun 15 15:59:35:11 2010
* had to bump minor version to keep them ascending
- - 1.4.A6FCO7V Tue Jun 15 12:24:07:31 2010
* added hack to shift days right one between Feb2008..2009 (still not sure why algorithm skewed)
- - 1.4.75R5ulZ Sun May 27 05:56:47:35 2007
* added kwalitee && POD tests, bumped minor version
* condensed code && moved POD to bottom
- - 1.2.4CCMRd5 Sun Dec 12 22:27:39:05 2004
* updated License
- - 1.0.429BmYk Mon Feb 9 11:48:34:46 2004
* updated DoW param tests to turn zero month or day to one
* updated POD to contain links
- - 1.0.41M4ecn Thu Jan 22 04:40:38:49 2004
* made bin/dow as EXE_FILES && added named month param detection
- - 1.0.3CNH7Fs Tue Dec 23 17:07:15:54 2003
* removed most eccentric misspellings
- - 1.0.3CCA4sO Fri Dec 12 10:04:54:24 2003
* removed indenting from POD NAME field
- - 1.0.3CB7PxT Thu Dec 11 07:25:59:29 2003
* added month name data and tidied up for release
- - 1.0.3C7IOam Sun Dec 7 18:24:36:48 2003
* wrote pod and made tests
- - 1.0.3C7Exdx Sun Dec 7 14:59:39:59 2003
* original version
- - figure out why 2008 needed increment hack
- - test that UTF-8 characters work in MonthNames and DayNames
- - write many more tests for boundary conditions
From the command shell, please run:
`perl -MCPAN -e "install Time::DayOfWeek"`
or uncompress the package and run the standard:
`perl Makefile.PL; make; make test; make install` or if you don't have `make` but Module::Build is installed, try: `perl Build.PL; perl Build; perl Build test; perl Build install`
Most source code should be Free! Code I have lawful authority over is and shall be! Copyright: (c) 2003-2016, Pip Stuart. Copyleft : This software is licensed under the GNU General Public License (version 3 or later). Please consult HTTP://GNU.Org/licenses/gpl-3.0.txt for important information about your freedom. This is Free Software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. See HTTP://FSF.Org for further information.
Pip Stuart <Pip@CPAN.Org>
Module Install Instructions
To install Time::DayOfWeek, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install Time::DayOfWeek
For more information on module installation, please visit the detailed CPAN module installation guide.
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