


I18N::LangTags::DPerltProgrammers ReferI18N::LangTags::Detect(3p)


NAME
       I18N::LangTags::Detect - detect the user's language
       preferences

SYNOPSIS
         use I18N::LangTags::Detect;
         my @user_wants = I18N::LangTags::Detect::detect();

DESCRIPTION
       It is a common problem to want to detect what language(s)
       the user would prefer output in.

FUNCTIONS
       This module defines one public function,
       "I18N::LangTags::Detect::detect()".  This function is not
       exported (nor is even exportable), and it takes no
       parameters.

       In scalar context, the function returns the most preferred
       language tag (or undef if no preference was seen).

       In list context (which is usually what you want), the
       function returns a (possibly empty) list of language tags
       representing (best first) what languages the user
       apparently would accept output in.  You will probably want
       to pass the output of this through
       "I18N::LangTags::implicate_supers_tightly(...)"  or
       "I18N::LangTags::implicate_supers(...)", like so:

         my @languages =
           I18N::LangTags::implicate_supers_tightly(
             I18N::LangTags::Detect::detect()
           );

ENVIRONMENT
       This module looks for several environment variables,
       including REQUEST_METHOD, HTTP_ACCEPT_LANGUAGE, LANGUAGE,
       LC_ALL, LC_MESSAGES, and LANG.

       It will also use the Win32::Locale module, if it's
       installed.

SEE ALSO
       I18N::LangTags, Win32::Locale, Locale::Maketext.

       (This module's core code started out as a routine in
       Locale::Maketext; but I moved it here once I realized it
       was more generally useful.)

COPYRIGHT
       Copyright (c) 1998-2004 Sean M. Burke. All rights
       reserved.

       This library is free software; you can redistribute it



perl v5.10.1                2004-08-09                          1





I18N::LangTags::DPerltProgrammers ReferI18N::LangTags::Detect(3p)


       and/or modify it under the same terms as Perl itself.

       The programs and documentation in this dist are
       distributed in the hope that they will be useful, but
       without any warranty; without even the implied warranty of
       merchantability or fitness for a particular purpose.

AUTHOR
       Sean M. Burke "sburke@cpan.org"
















































perl v5.10.1                2004-08-09                          2


