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1. What is on Your Mind?
Hello All,
I would like to wish merry x-mas to all of you. May GOD bless us all with wisdom, love, positivity and great positive energy, cheers and happy holidays :)
Thanks,
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2. What is on Your Mind?
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3. What is on Your Mind?
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4. What is on Your Mind?
I wish all Administrators,Moderators, Code Taggers, all members and followers of this forum that Santa brings you the gift of never ending happiness this Christmas!
May you and your family be blessed abundantly.
Merry Christmas and a Prosperous New Year! :)
With Best Regards,
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5. What is on Your Mind?
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6. What is on Your Mind?
Merry Christmas to the Greatest UNIX Forum on Earth!
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LEARN ABOUT SUSE
date::manip::holidays
Date::Manip::Holidays(3) User Contributed Perl Documentation Date::Manip::Holidays(3)
NAME
Date::Manip::Holidays - describes holidays and events
SYNOPSIS
This describes the Holidays and Events sections of the config file, and how they are used.
Holidays and events are specific days that are named. Holidays are used in business mode calculations, events are not. Events may be used
for other calendaring operations.
HOLIDAYS
The holiday section of the config file is used to define holidays. Each line is of the form:
STRING = HOLIDAY
HOLIDAY is the name of the holiday (or it can be blank in which case the day will still be treated as a holiday... for example the day
after Thanksgiving is often a work holiday though it is not named).
STRING is a string which can be parsed to give a valid date. It can be any of the following forms:
A full date
Specific holidays can be set which occur only a single time.
May 5, 2000 = A one-time-only holiday
Any format parseable by Date::Manip::Date::parse_date can be used.
A date without a year
Some holidays occur every year on the same day. These can be defined using the simple lines:
Jan 1 = New Year's Day
Jul 4th = Independence Day
fourth Thu in Nov = Thanksgiving
These dates must be written in a form which can be parsed as a full date by simply adding the year to the end of the string. Please
refer to the Date::Manip::Date documentation to see what forms will work. ISO 8601 dates will not work since the year comes first.
Any format parseable by Date::Manip::Date::parse_date can be used.
Recurrence
The dates can be specified using recurrences:
1*0:0:0:0:0:0*EASTER = Easter
1*11:0:11:0:0:0*CWD = Veteran's Day
In cases where you are interested in business type calculations, you'll want to define most holidays using recurrences, since they can
define when a holiday is celebrated in the financial world. For example, Christmas might be defined as:
Dec 25 = Christmas
but if it falls on a weekend, there won't be a business holiday associated with it. It could be defined using a recurrence:
1*12:0:24:0:0:0*DWD = Christmas
so that if Christmas falls on a weekend, a holiday will be taken on the Friday before or the Monday after the weekend.
You can use the fully specified format of a recurrence:
1*2:0:1:0:0:0***Jan 1 1999*Dec 31 2002 = Feb 2 from 1999-2002
OTHER HOLIDAY CONSIDERATIONS
Recurrences which change years
It is now valid to have a recurrence defined for New Year's day which pushes the holiday to the previous year.
For example, the most useful definition of New Year's day is:
1*1:0:1:0:0:0*DWD = New Year's Day
which means to choose the closest working day to observe the holiday, even though this might mean that the holiday is observed on the
previous year.
Order of definitions is preserved
The order of the definitions is preserved. In other words, when looking at the holidays for a year, previously defined holidays (in the
order given in the config file) are correctly handled.
As an example, if you wanted to define both Christmas and Boxing days (Boxing is the day after Christmas, and is celebrated in some
parts of the world), you could do it in one of the following ways:
1*12:0:24:0:0:0*FW1 = Christmas
1*12:0:25:0:0:0*FW1 = Boxing
1*12:0:24:0:0:0*FW1 = Christmas
1*12:0:25:0:0:0*FW1,a = Boxing
1*12:0:24:0:0:0*FW1 = Christmas
1*12:0:24:0:0:0*FW1 = Boxing
The following examples will NOT work:
1*12:0:24:0:0:0*FW1 = Christmas
1*12:0:24:0:0:0*FW2 = Boxing
The reasoning behind all this is as follows:
Holidays go into affect the minute they are parsed. So, in the case of:
1*12:0:24:0:0:0*FW1 = Christmas
1*12:0:24:0:0:0*FW2 = Boxing
the minute the first line is parsed, Christmas is defined as a holiday. The second line then steps forward 2 work days (skipping
Christmas since that's no longer a work day) and define the work day two week days after Christmas, NOT the day after Christmas.
NOTE that since the definitions are stored in a list, NOT a hash (as they were in Date::Manip 5.xx), you can use the definition:
1*12:0:24:0:0:0*FW1 = Christmas
1*12:0:24:0:0:0*FW1 = Boxing
to defined the days.
EVENTS
The Events section of the config file is similar to the Holiday section. It is used to name certain days or times, but there are a few
important differences:
Events can be assigned to any time and duration
All holidays are exactly 1 day long. They are assigned to a period of time from midnight to midnight.
Events can be based at any time of the day, and may be of any duration.
Events don't affect business mode calculations
Unlike holidays, events are completely ignored when doing business mode calculations.
Whereas holidays were added with business mode math in mind, events were added with calendar and scheduling applications in mind.
Every line in the events section is of the form:
EVENT = NAME
where NAME is the name of the event, and EVENT defines when it occurs and its duration. An EVENT can be defined in the following ways:
Date
YMD
YM
Recur
Date ; Date
YMD ; YMD
YM ; YM
Date ; Delta
Recur ; Delta
Date refers to a full date/time (and is any string that can be parsed by Date::Manip::Date::parse). YMD is any string which can be parsed
by Date::Manip::Date::parse_date. YM is any string which can be parsed by the parse_date method to give a date in the current year. Recur
is a partial or fully specified recurrence. Delta is any string that can be parsed to form a delta.
With the "Date" form, or the "Recur" form, the event starts at the time (or times) specified by the date or recurrence, and last 1 hour
long. With the "YMD" and "YM" forms, the event occurs on the given day, and lasts all day.
With all of the two part forms ("Date;Date", "YM;YM", etc.), the event starts at the first date and goes to the second date, or goes an
amount of time specified by the delta.
The "YMD;YMD" and "YM;YM" forms means that the event lasts from the start of the first date to the end of the second. In the Date;Date
form, the event goes from the first date to the second date inclusive. In other words, both dates are in the event. In the "Date;Delta" and
"Recur;Delta" forms, the Delta tells the length of the event. Also, in the Date;Date form, the second date may NOT be expressed as a delta.
Currently, having an event longer than 1 year is NOT supported, but no checking is done for this.
KNOWN BUGS
None known.
BUGS AND QUESTIONS
Please refer to the Date::Manip::Problems documentation for information on submitting bug reports or questions to the author.
SEE ALSO
Date::Manip - main module documentation
LICENSE
This script is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
AUTHOR
Sullivan Beck (sbeck@cpan.org)
perl v5.12.1 2010-01-12 Date::Manip::Holidays(3)