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locale(1)
NAME
locale - Displays information about locales
SYNOPSIS
locale [-a | -m]
locale [-c] [-k] name...
STANDARDS
Interfaces documented on this reference page conform to industry standards
as follows:
locale: XCU5.0
Refer to the standards(5) reference page for more information about
industry standards and associated tags.
OPTIONS
-a Writes information about all available public locales.
-c Writes the names of the specified locale categories.
-k Writes the names and values of specified locale keywords.
-m Writes the names of all character map (charmap) files that are
available for specification to the -f option of the localedef command.
OPERANDS
name...
Specifies one or more of the following:
· A locale category, such as LC_TIME
· A keyword, such as am_pm in a locale category
· The reserved word charmap, which requests the name of the
character map file used to produce the current locale
Different types of names can be intermixed in any order. However, if a
single name represents both a locale category name and a keyword name
in the current locale, results are undefined.
DESCRIPTION
The locale command without any options or arguments writes to standard
output the names and values of all the current locale environment
variables, such as LANG and LC_COLLATE.
The locale command with the -a or -m options displays information about
available locales and character maps on your system.
· If the -a option is specified, locale writes the names of all
available public locales. These are locales that are available to any
application.
· If the -m option is specified, locale writes a list of the names of
all available character-mapping files. These values are suitable
variable values for the -f option with the localedef command.
The locale command with the name operand displays information about locale
categories and keywords in the current locale. For example, the command
could display information about the decimal_point keyword in the LC_NUMERIC
category or information about all keywords in the LC_NUMERIC category. The
name operand can be either a locale category, a keyword from a category, or
the keyword charmap.
The following table shows how the -c and -k options determine the level of
information displayed by the locale command with respect to locale
keywords:
Options Set Information Written to Standard Output
None
Value of keyword specified by the name operand or
values of all keywords in the category specified by the
name operand.
-c
Name of category containing the keyword specified by
the name operand or the name of the category specified
by the name operand, followed by values of locale
keywords.
-k Names and values of locale keywords.
-ck
Name of category, followed by names and values of
locale keywords.
Following are the locale categories and the locale keywords that you can
use in the name operand. Note that there are no keywords that you can
specify in the locale command for the LC_COLLATE and LC_CTYPE categories;
the XCU specification allows vendors to determine whether the locale
command displays values for keywords in these two categories.
Locale Category Locale Keywords
LC_COLLATE None.
LC_CTYPE None.
CHARMAP
charmap
code_set_name
mb_cur_max
mb_cur_min
LC_MESSAGES
yesexpr
noexpr
yesstr
nostr
LC_MONETARY
int_curr_symbol
currency_symbol
mon_decimal_point
mon_grouping
mon_thousands_sep
positive_sign
negative_sign
int_frac_digits
frac_digits
p_cs_precedes
p_sep_by_space
n_cs_precedes
n_sep_by_space
p_sign_posn
n_sign_posn
debit_sign
credit_sign
left_parenthesis
right_parenthesis
LC_NUMERIC
decimal_point
thousands_sep
grouping
LC_TIME
abday
abmon
alt_digits
am_pm
d_fmt
d_t_fmt
day
era
era_d_fmt
era_d_t_fmt
era_t_fmt
era_year
mon
t_fmt
t_fmt_ampm
EXIT STATUS
0 (zero)
Success.
>0 An error occurred.
ERRORS
[Tru64 UNIX] To review locale diagnostic messages, enter the following
command:
% dspcat /usr/lib/nls/msg/en_US.ISO8859-1/locale.cat | more
EXAMPLES
1. Assume that the LANG environment variable is set to fr_FR.ISO8859-1
and the LC_MONETARY environment variable to fr_CA.ISO8859-1. The
following example shows the results when you enter the locale command
without options:
% locale
LANG=fr_FR.ISO8859-1
LC_COLLATE="fr_FR.ISO8859-1"
LC_CTYPE="fr_FR.ISO8859-1"
LC_MONETARY="fr_CA.ISO8859-1"
LC_NUMERIC="fr_FR.ISO8859-1"
LC_TIME="fr_FR.ISO8859-1"
LC_MESSAGES="fr_FR.ISO8859-1"
LC_ALL=
The LC_ALL variable, if set, overrides the values of other variables.
For example, if LC_ALL is set to en_US.ISO8859-1, the setting implies
LC_COLLATE=en_US.ISO8859-1, even if the LC_COLLATE environment
variable is set to another locale.
2. The following commands show two ways to retrieve the value of the
decimal_point delimiter for the current locale:
% locale -ck decimal_point
LC_NUMERIC
decimal_point="."
% locale decimal_point
.
3. In the following example, the locale command retrieves any keywords
defined in the CHARMAP, LC_CTYPE, and LC_COLLATE categories of the
POSIX (C) locale:
% locale -ck CHARMAP LC_CTYPE LC_COLLATE
CHARMAP
charmap="ISO8859-1"
code_set_name="ISO8859-1"
mb_cur_max=1
mb_cur_min=1
LC_COLLATE
LC_CTYPE
alnum=0x0002
alpha=0x0001
blank=0x0004
cntrl=0x0008
digit=0x0010
graph=0x0020
lower=0x0040
print=0x0080
punct=0x0100
space=0x0200
upper=0x0400
xdigit=0x0800
4. The following example shows a possible application of the locale and
printf commands in a script to determine whether a user response is
affirmative:
if printf "%s\n" "$response" | grep -Eq "'locale yesexpr'"
then
<insert processing for affirmative response>
else
<insert processing for response other than affirmative>
fi
ENVIRONMENT VARIABLES
The following environment variables affect the behavior of the locale
command:
LANG
Provides a default value for the locale category variables that are not
set or null.
LC_ALL
If set, overrides the values of all locale variables, including LANG.
LC_CTYPE
Determines the locale for the interpretation of byte sequences as
characters (single-byte or multibyte) in input operands and files.
LC_MESSAGES
Determines the locale used to find the message catalog for diagnostic
messages and other text displayed by the command.
NLSPATH
Determines the location of message catalogs for processing of
LC_MESSAGES.
SEE ALSO
Commands: localedef(1), printf(1)
Functions: setlocale(3)
Files: locale(4)
Others: i18n_intro(5), l10n_intro(5), standards(5)
Writing Software for the International Market
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Index for
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