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Date::Manip::Migration5to6(3)  User Contributed Perl Documentation  Date::Manip::Migration5to6(3)

NAME
       Date::Manip::Migration5to6 - how to upgrade from 5.xx to 6.00

SYNOPSIS
       When upgrading from Date::Manip 5.xx to 6.00, a few changes may be necessary to your
       scripts.

       The Date::Manip::Changes5to6 document lists in more detail the ways in which Date::Manip
       changed, but very few of these actually entail changes to your script.

       It should be noted that once the changes are made to your script, it will no longer run
       correctly in 5.xx.

NECESSARY AND SUGGESTED CHANGES
       The following changes are necessary, or strongly suggested:

       Reading config files with Date_Init
	   If you use Date_Init to read any config files (if you do business mode calculations,
	   you probably do), you should remove all of the following config variables from your
	   call to Date_Init:

	      GlobalCnf=FILE
	      PersonalCnf=FILE
	      PathSep=*
	      IgnoreGlobalCnf=*
	      PersonalCnfPath=*

	   and replace them with:

	      ConfigFile=FILE

	   where FILE is now the full path to a config file. Also, the ConfigFile argument should
	   be the first argument in Date_Init.

       Date_ConvTZ
	   The Date_ConvTZ function has changed. It should now take 3 arguments:

	      $date = Date_ConvTZ($date,$from,$to);

	   If $from is not given, it defaults to the local time zone. If $to is not given, it
	   defaults to the local time zone.

	   The date is converted from the $from time zone into the $to time zone. Both should be
	   any time zone (or alias) supported by Date::Manip.

	   The old $errlevel argument is no longer handled.

       ConvTZ and TZ config variables
	   If you use either the ConvTZ or TZ config variables, you should replace them with
	   either SetDate or ForceDate. See the Date::Manip::Config document for information.

	   The TZ variable will continue to work until Dec 2013 at which point it will be
	   removed.

       Other deprecated config variables
	   The following config variables have been deprecated, but will continue to function
	   (though they will be removed at a future date):

	      TZ	   (removed Dec 2013)

	   The following variables have been removed. If you use any of them, you may need to
	   modify your scripts:

	      IntCharSet
	      GlobalCnf
	      PersonalCnf
	      PathSep
	      IgnoreGlobalCnf
	      PersonalCnfPath
	      ConvTZ
	      Internal
	      TodayIsMidnight
	      DeltaSigns
	      UpdateCurrTZ
	      ResetWorkdDay

       today, yesterday, tomorrow
	   If you parse the strings "today", "yesterday", or "tomorrow" in order to get the time
	   now, or 24 hours in the past/future, this will no longer work.  These strings now
	   refer strictly to the date (so "today" is the current day at midnight, "yesterday" is
	   the previous day at midnight, etc.).

	   To get the time now, 24 hours ago, or 24 hours in the future, you would need to parse
	   the strings "now", "-24:00:00", or "+24:00:00" respectively.

       Do not use Memoize
	   In 5.xx, it was documented that you could use the module Memoize to speed up
	   Date::Manip, especially when sorting dates.

	   This information is no longer accurate. Using Memoize in conjunction with Date::Manip
	   should have little impact on performance, and may lead to incorrect results,
	   especially if you change config variables.

	   Please see the Date::Manip::Changes5to6 (GENERAL CHANGES) document for more
	   information.

       If you find other instances where it is necessary to modify your script, please email me
       so that I can add that information to this document.

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 v5.16.3				    2014-06-09		    Date::Manip::Migration5to6(3)
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