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DateTime::TimeZone::Local::Unix.3pm
Langue: en
Version: 2010-06-15 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
NAME
DateTime::TimeZone::Local::Unix - Determine the local system's time zone on UnixSYNOPSIS
my $tz = DateTime::TimeZone->new( name => 'local' ); my $tz = DateTime::TimeZone::Local->TimeZone();
DESCRIPTION
This module provides methods for determining the local time zone on a Unix platform.HOW THE TIME ZONE IS DETERMINED
This class tries the following methods of determining the local time zone:- *
- $ENV{TZ}
It checks $ENV{TZ} for a valid time zone name.
- *
- /etc/localtime
If this file is a symlink to an Olson database time zone file (usually in /usr/share/zoneinfo) then it uses the target file's path name to determine the time zone name. For example, if the path is /usr/share/zoneinfo/America/Chicago, the time zone is ``America/Chicago''.
Some systems just copy the relevant file to /etc/localtime instead of making a symlink. In this case, we look in /usr/share/zoneinfo for a file that has the same size and content as /etc/localtime to determine the local time zone.
- *
- /etc/timezone
If this file exists, it is read and its contents are used as a time zone name.
- *
- /etc/TIMEZONE
If this file exists, it is opened and we look for a line starting like ``TZ = ...''. If this is found, it should indicate a time zone name.
- *
- /etc/sysconfig/clock
If this file exists, it is opened and we look for a line starting like ``TIMEZONE = ...'' or ``ZONE = ...''. If this is found, it should indicate a time zone name.
- *
- /etc/default/init
If this file exists, it is opened and we look for a line starting like ``TZ=...''. If this is found, it should indicate a time zone name.
AUTHOR
Dave Rolsky, <autarch@urth.org>COPYRIGHT & LICENSE
Copyright (c) 2003-2008 David Rolsky. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.The full text of the license can be found in the LICENSE file included with this module.
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