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.\" ========================================================================
.\"
.IX Title "Locale::Codes::Language 3"
.TH Locale::Codes::Language 3 "2014-10-01" "perl v5.18.4" "Perl Programmers Reference Guide"
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.SH "NAME"
Locale::Codes::Language \- standard codes for language identification
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Locale::Codes::Language;
\&
\& $lang = code2language(\*(Aqen\*(Aq); # $lang gets \*(AqEnglish\*(Aq
\& $code = language2code(\*(AqFrench\*(Aq); # $code gets \*(Aqfr\*(Aq
\&
\& @codes = all_language_codes();
\& @names = all_language_names();
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \f(CW\*(C`Locale::Codes::Language\*(C'\fR module provides access to standard codes used
for identifying languages, such as those as defined in \s-1ISO 639.\s0
.PP
Most of the routines take an optional additional argument which
specifies the code set to use. If not specified, the default \s-1ISO
639\s0 two-letter codes will be used.
.SH "SUPPORTED CODE SETS"
.IX Header "SUPPORTED CODE SETS"
There are several different code sets you can use for identifying
languages. A code set may be specified using either a name, or a
constant that is automatically exported by this module.
.PP
For example, the two are equivalent:
.PP
.Vb 2
\& $lang = code2language(\*(Aqen\*(Aq,\*(Aqalpha\-2\*(Aq);
\& $lang = code2language(\*(Aqen\*(Aq,LOCALE_CODE_ALPHA_2);
.Ve
.PP
The codesets currently supported are:
.IP "\fBalpha\-2, \s-1LOCALE_LANG_ALPHA_2\s0\fR" 4
.IX Item "alpha-2, LOCALE_LANG_ALPHA_2"
This is the set of two-letter (lowercase) codes from \s-1ISO 639\-1,\s0 such
as 'he' for Hebrew. It also includes additions to this set included
in the \s-1IANA\s0 language registry.
.Sp
This is the default code set.
.IP "\fBalpha\-3, \s-1LOCALE_LANG_ALPHA_3\s0\fR" 4
.IX Item "alpha-3, LOCALE_LANG_ALPHA_3"
This is the set of three-letter (lowercase) bibliographic codes from
\&\s-1ISO 639\-2\s0 and 639\-5, such as 'heb' for Hebrew. It also includes
additions to this set included in the \s-1IANA\s0 language registry.
.IP "\fBterm, \s-1LOCALE_LANG_TERM\s0\fR" 4
.IX Item "term, LOCALE_LANG_TERM"
This is the set of three-letter (lowercase) terminologic codes from
\&\s-1ISO 639.\s0
.SH "ROUTINES"
.IX Header "ROUTINES"
.IP "\fBcode2language ( \s-1CODE\s0 [,CODESET] )\fR" 4
.IX Item "code2language ( CODE [,CODESET] )"
.PD 0
.IP "\fBlanguage2code ( \s-1NAME\s0 [,CODESET] )\fR" 4
.IX Item "language2code ( NAME [,CODESET] )"
.IP "\fBlanguage_code2code ( \s-1CODE ,CODESET ,CODESET2 \s0)\fR" 4
.IX Item "language_code2code ( CODE ,CODESET ,CODESET2 )"
.IP "\fBall_language_codes ( [\s-1CODESET\s0] )\fR" 4
.IX Item "all_language_codes ( [CODESET] )"
.IP "\fBall_language_names ( [\s-1CODESET\s0] )\fR" 4
.IX Item "all_language_names ( [CODESET] )"
.IP "\fBLocale::Codes::Language::rename_language ( \s-1CODE ,NEW_NAME\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::Language::rename_language ( CODE ,NEW_NAME [,CODESET] )"
.IP "\fBLocale::Codes::Language::add_language ( \s-1CODE ,NAME\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::Language::add_language ( CODE ,NAME [,CODESET] )"
.IP "\fBLocale::Codes::Language::delete_language ( \s-1CODE\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::Language::delete_language ( CODE [,CODESET] )"
.IP "\fBLocale::Codes::Language::add_language_alias ( \s-1NAME ,NEW_NAME \s0)\fR" 4
.IX Item "Locale::Codes::Language::add_language_alias ( NAME ,NEW_NAME )"
.IP "\fBLocale::Codes::Language::delete_language_alias ( \s-1NAME \s0)\fR" 4
.IX Item "Locale::Codes::Language::delete_language_alias ( NAME )"
.IP "\fBLocale::Codes::Language::rename_language_code ( \s-1CODE ,NEW_CODE\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::Language::rename_language_code ( CODE ,NEW_CODE [,CODESET] )"
.IP "\fBLocale::Codes::Language::add_language_code_alias ( \s-1CODE ,NEW_CODE\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::Language::add_language_code_alias ( CODE ,NEW_CODE [,CODESET] )"
.IP "\fBLocale::Codes::Language::delete_language_code_alias ( \s-1CODE\s0 [,CODESET] )\fR" 4
.IX Item "Locale::Codes::Language::delete_language_code_alias ( CODE [,CODESET] )"
.PD
These routines are all documented in the Locale::Codes::API man page.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\fBLocale::Codes\fR" 4
.IX Item "Locale::Codes"
The Locale-Codes distribution.
.IP "\fBLocale::Codes::API\fR" 4
.IX Item "Locale::Codes::API"
The list of functions supported by this module.
.IP "\fBhttp://www.loc.gov/standards/iso639\-2/\fR" 4
.IX Item "http://www.loc.gov/standards/iso639-2/"
Source of the \s-1ISO 639\-2\s0 codes.
.IP "\fBhttp://www.loc.gov/standards/iso639\-5/\fR" 4
.IX Item "http://www.loc.gov/standards/iso639-5/"
Source of the \s-1ISO 639\-5\s0 codes.
.IP "\fBhttp://www.iana.org/assignments/language\-subtag\-registry\fR" 4
.IX Item "http://www.iana.org/assignments/language-subtag-registry"
The \s-1IANA\s0 language subtag registry.
.SH "AUTHOR"
.IX Header "AUTHOR"
See Locale::Codes for full author history.
.PP
Currently maintained by Sullivan Beck (sbeck@cpan.org).
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
.Vb 3
\& Copyright (c) 1997\-2001 Canon Research Centre Europe (CRE).
\& Copyright (c) 2001\-2010 Neil Bowers
\& Copyright (c) 2010\-2013 Sullivan Beck
.Ve
.PP
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.