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I18N::Collate.3
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.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.20) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is turned on, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .ie \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . nr % 0 . rr F .\} .el \{\ . de IX .. .\} .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. . \" fudge factors for nroff and troff .if n \{\ . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] \fP .\} .if t \{\ . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff .if n \{\ . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} .if t \{\ . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' .ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E . \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' . \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} .rm #[ #] #H #V #F C .\" ======================================================================== .\" .IX Title "I18N::Collate 3" .TH I18N::Collate 3 "2013-03-04" "perl v5.16.3" "Perl Programmers Reference Guide" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" I18N::Collate \- compare 8\-bit scalar data according to the current locale .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 4 \& use I18N::Collate; \& setlocale(LC_COLLATE, \*(Aqlocale\-of\-your\-choice\*(Aq); \& $s1 = I18N::Collate\->new("scalar_data_1"); \& $s2 = I18N::Collate\->new("scalar_data_2"); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" .Vb 1 \& *** \& \& WARNING: starting from the Perl version 5.003_06 \& the I18N::Collate interface for comparing 8\-bit scalar data \& according to the current locale \& \& HAS BEEN DEPRECATED \& \& That is, please do not use it anymore for any new applications \& and please migrate the old applications away from it because its \& functionality was integrated into the Perl core language in the \& release 5.003_06. \& \& See the perllocale manual page for further information. \& \& *** .Ve .PP This module provides you with objects that will collate according to your national character set, provided that the \&\s-1POSIX\s0 \fIsetlocale()\fR function is supported on your system. .PP You can compare \f(CW$s1\fR and \f(CW$s2\fR above with .PP .Vb 1 \& $s1 le $s2 .Ve .PP to extract the data itself, you'll need a dereference: $$s1 .PP This module uses \fIPOSIX::setlocale()\fR. The basic collation conversion is done by \fIstrxfrm()\fR which terminates at \s-1NUL\s0 characters being a decent C routine. \fIcollate_xfrm()\fR handles embedded \s-1NUL\s0 characters gracefully. .PP The available locales depend on your operating system; try whether \&\f(CW\*(C`locale \-a\*(C'\fR shows them or man pages for \*(L"locale\*(R" or \*(L"nlsinfo\*(R" or the direct approach \f(CW\*(C`ls /usr/lib/nls/loc\*(C'\fR or \f(CW\*(C`ls /usr/lib/nls\*(C'\fR or \&\f(CW\*(C`ls /usr/lib/locale\*(C'\fR. 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 \f(CW\*(C`xx_XX.(ISO)?8859\-N\*(C'\fR or \&\f(CW\*(C`xx_XX.(ISO)?8859N\*(C'\fR, for example \f(CW\*(C`fr_CH.ISO8859\-1\*(C'\fR is the Swiss (\s-1CH\s0) variant of French (fr), \s-1ISO\s0 Latin (8859) 1 (\-1) which is the Western European character set.