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locale(3pm) Perl Programmers Reference Guide locale(3pm)
NAME
locale - Perl pragma to use or avoid POSIX locales for built-in operations
SYNOPSIS
@x = sort @y; # Unicode sorting order
{
use locale;
@x = sort @y; # Locale-defined sorting order
}
@x = sort @y; # Unicode sorting order again
DESCRIPTION
This pragma tells the compiler to enable (or disable) the use of POSIX locales for built-
in operations (for example, LC_CTYPE for regular expressions, LC_COLLATE for string
comparison, and LC_NUMERIC for number formatting). Each "use locale" or "no locale"
affects statements to the end of the enclosing BLOCK.
Starting in Perl 5.16, a hybrid mode for this pragma is available,
use locale ':not_characters';
which enables only the portions of locales that don't affect the character set (that is,
all except LC_COLLATE and LC_CTYPE). This is useful when mixing Unicode and locales,
including UTF-8 locales.
use locale ':not_characters';
use open ":locale"; # Convert I/O to/from Unicode
use POSIX qw(locale_h); # Import the LC_ALL constant
setlocale(LC_ALL, ""); # Required for the next statement
# to take effect
printf "%.2f\n", 12345.67' # Locale-defined formatting
@x = sort @y; # Unicode-defined sorting order.
# (Note that you will get better
# results using Unicode::Collate.)
See perllocale for more detailed information on how Perl supports locales.
perl v5.16.3 2013-03-04 locale(3pm)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
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