MirOS Manual: I18N::Collate(3p)

I18N::Collate(3p)Perl Programmers Reference GuidI18N::Collate(3p)


     I18N::Collate - compare 8-bit scalar data according to the
     current locale


         use I18N::Collate;
         setlocale(LC_COLLATE, 'locale-of-your-choice');
         $s1 = new I18N::Collate "scalar_data_1";
         $s2 = new I18N::Collate "scalar_data_2";



       WARNING: starting from the Perl version 5.003_06
       the I18N::Collate interface for comparing 8-bit scalar data
       according to the current locale


       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.


     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

perl v5.8.8                2005-02-05                           1

I18N::Collate(3p)Perl Programmers Reference GuidI18N::Collate(3p)

     Swiss (CH) variant of French (fr), ISO Latin (8859) 1 (-1)
     which is the Western European character set.

perl v5.8.8                2005-02-05                           2

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