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groff
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perl5
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locale.pm
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package locale; our $VERSION = '1.01'; $Carp::Internal{ (__PACKAGE__) } = 1; =head1 NAME locale - Perl pragma to use or avoid POSIX locales for built-in operations =head1 SYNOPSIS @x = sort @y; # Unicode sorting order { use locale; @x = sort @y; # Locale-defined sorting order } @x = sort @y; # Unicode sorting order again =head1 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 L<perllocale> for more detailed information on how Perl supports locales. =cut # A separate bit is used for each of the two forms of the pragma, as they are # mostly independent, and interact with each other and the unicode_strings # feature. This allows for fast determination of which one(s) of the three # are to be used at any given point, and no code has to be written to deal # with coming in and out of scopes--it falls automatically out from the hint # handling $locale::hint_bits = 0x4; $locale::not_chars_hint_bits = 0x10; sub import { shift; # should be 'locale'; not checked my $found_not_chars = 0; while (defined (my $arg = shift)) { if ($arg eq ":not_characters") { $^H |= $locale::not_chars_hint_bits; # This form of the pragma overrides the other $^H &= ~$locale::hint_bits; $found_not_chars = 1; } else { require Carp; Carp::croak("Unknown parameter '$arg' to 'use locale'"); } } # Use the plain form if not doing the :not_characters one. $^H |= $locale::hint_bits unless $found_not_chars; } sub unimport { $^H &= ~($locale::hint_bits|$locale::not_chars_hint_bits); } 1;
/home/sudancam/../../usr/share/groff/../perl5/locale.pm