I18N::Collate(3) I18N::Collate(3)
I18N::Collate - compare 8-bit scalar data according to the current locale
***
WARNING: starting from the Perl version 5.003_06
the I18N::Collate interface for comparing 8-bit scalar data
according to the current locale
HAS BEEN DEPRECATED
That is, please do not use it anymore for any new applications
and please migrate the old applications away from it because its
functionality was integrated into the Perl core language in the
release 5.003_06.
See the perllocale manual page for further information.
***
use I18N::Collate;
setlocale(LC_COLLATE, 'locale-of-your-choice');
$s1 = new I18N::Collate "scalar_data_1";
$s2 = new I18N::Collate "scalar_data_2";
This module provides you with objects that will collate according to your
national character set, provided that the POSIX setlocale() function is
supported on your system.
You can compare $s1 and $s2 above with
$s1 le $s2
to extract the data itself, you'll need a dereference: $$s1
This module uses POSIX::setlocale(). The basic collation conversion is
done by strxfrm() which terminates at NUL characters being a decent C
routine. collate_xfrm() handles embedded NUL characters gracefully.
The available locales depend on your operating system; try whether locale
-a shows them or man pages for "locale" or "nlsinfo" or the direct
approach ls /usr/lib/nls/loc or ls /usr/lib/nls or ls /usr/lib/locale.
Not all the locales that your vendor supports are necessarily installed:
please consult your operating system's documentation and possibly your
local system administration. The locale names are probably something
like xx_XX.(ISO)?8859-N or xx_XX.(ISO)?8859N, for example fr_CH.ISO8859-1
is the Swiss (CH) variant of French (fr), ISO Latin (8859) 1 (-1) which
is the Western European character set.
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I18N::Collate(3) I18N::Collate(3)
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